Propellant-free deodorants and/or antiperspirants having specific preservative-agent combinations

ABSTRACT

The present invention relates to propellant-containing deodorant and/or antiperspirant compositions that include specific preservative-agent combinations. The present invention also relates to a method for preventing and/or reducing the perspiration of the body and/or for preventing and/or reducing body odor by using the cosmetic agents according to the invention and the use of a certain preservative-agent combination to preserve propellant-containing deodorant and/or antiperspirant compositions.

FIELD OF THE INVENTION

The present invention generally relates to propellant-containing deodorant and/or antiperspirant compositions that include at least one specific preservative-agent combination in addition to at least one deodorant active substance and/or at least one antiperspirant aluminum salt. The previously mentioned compositions have excellent deodorant and/or antiperspirant performance together with good preservation.

Furthermore, the present invention relates to a non-therapeutic cosmetic method for preventing and/or reducing body odor, wherein a cosmetic agent according to the invention is applied to the skin, particularly to the skin of the armpits, and remains on the skin for at least 1 hour, preferably for at least 2 hours, more preferably for at least 4 hours, particularly for at least 6 hours.

Finally, the present invention relates to the use of specific preservative-agent combinations to preserve propellant-containing deodorant and/or antiperspirant compositions.

BACKGROUND OF THE INVENTION

Because of the composition of cosmetic agents, cosmetic agents can serve as a nutrient medium for microorganisms, such as bacteria, yeasts, and fungi. These microorganisms can make cosmetic products unusable, for example because of the formation of mold. Microbial contamination of the consumer can also occur. Furthermore, these microorganisms can change ingredients of the cosmetics and thus form substances having undesired effects such as sensitization or skin irritation. In order to prevent these undesired consequences and ensure a certain minimum shelf life of the cosmetics, the cosmetics must be preserved. Because preservative agents themselves have the potential to cause irritation, the use of preservative agents in cosmetics is strictly controlled and is regulated by law.

The skin microbiota has a crucial influence on different cosmetic parameters. Pathogenic microbes such as Staphylococcus aureus play a crucial role in the production of skin impurities. The latest studies also indicate that an unbalanced skin microbiota can have an influence on skin aging, because undesired microbes lead to increased immune defense of the skin, which in turn leads to increased inflammatory responses, in the course of which skin aging markers are stimulated.

Therefore, there is still a need for preservative-agent compositions that prevent the colonization of the product by microbes undesired for the skin and that do not impair the natural skin flora or impair it only slightly.

The mixing of various antimicrobial substances to increase the antimicrobial activity is known in general. WO 03/043593 A1 proposes combining conventional antibacterial substances, such as triclosan, phenoxyethanol, or hexetidine, with ethyl lauroyl arginate to strengthen the antibacterial effect. WO 2007/014580 A1 proposes preservative-agent mixtures which, in addition to ethyl lauroyl arginate, include salts of organic or inorganic acids, particularly sodium citrate, sodium acetate, sodium glutamate, sodium fumarate, sodium malate, sodium gluconate, sodium laurate, sodium lactate, sodium hexametaphosphate, sodium tert-butylhydroquinate, sodium propylparabenate, or the hydrochlorides of glucosamine or ethanolamine. EP 1414394 B1 discloses cosmetic compositions that include a preservative-agent mixture consisting of ethyl lauroyl arginate and parabens, imidazolyl urea, phenoxyethanol, DMDM hydantoin, 2-methyl-5-chloro-3,4-isothiazolinone/2-methyl-3,4-isothiazolinone, and Quaternium-15.

Therefore, there is still a need to provide antimicrobial compositions that are highly effective in a low usage amount.

Therefore, the problem addressed by the present invention is that of providing propellant-containing deodorant and/or antiperspirant compositions that have excellent deodorant and/or antiperspirant performance together with good preservation. In particular, synergistic preservative-agent mixtures that are highly effective at low concentrations and that enable the production of low-irritation and low-sensitization deodorant and/or antiperspirant compositions because of usage amounts that are reduced in total should be found. Furthermore, no preservative agents that are felt to be hazardous by the consumer should be used. In addition, the deodorant and/or antiperspirant performance and the storage stability of these agents should not be impaired.

It has now surprisingly been found that the use of certain mixtures of preservative agents in propellant-containing deodorant and/or antiperspirant compositions leads to a synergistic effect with regard to the preservative effect. Therefore, the amount of preservative agents used can be reduced without negatively affecting the preservative effect. Because of the reduced amount of preservative agents, the deodorant and/or antiperspirant compositions according to the invention are low-irritation and low-sensitization compositions. Furthermore, by using certain preservative-agent mixtures, excellent preservation can be achieved even without using preservative agents that are felt to be hazardous by the consumer, such as parabens. Furthermore, the addition of the preservative-agent mixtures does not lead to a negative effect on the deodorant and/or antiperspirant performance.

Furthermore, other desirable features and characteristics of the present invention will become apparent from the subsequent detailed description of the invention and the appended claims, taken in conjunction with this background of the invention.

BRIEF SUMMARY OF THE INVENTION

A cosmetic agent containing, in a cosmetically acceptable carrier, 0.0005 to 35 wt %, with respect to the total weight of the propellant-free cosmetic agent, of at least one active substance, selected from the group of deodorant active substances, antiperspirant aluminum salts, and mixtures thereof; 2.0 to 95 wt %, with respect to the total weight of the propellant-containing cosmetic agent, of at least one propellant; and at least two preservative agents, selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine.

The use of at least two preservative agents, selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine, to preserve propellant-containing deodorant and/or antiperspirant compositions.

DETAILED DESCRIPTION OF THE INVENTION

The following detailed description of the invention is merely exemplary in nature and is not intended to limit the invention or the application and uses of the invention. Furthermore, there is no intention to be bound by any theory presented in the preceding background of the invention or the following detailed description of the invention.

The present invention relates to a cosmetic agent containing, in a cosmetically acceptable carrier,

-   a) 0.0005 to 35 wt %, with respect to the total weight of the     propellant-free cosmetic agent, of at least one active substance,     selected from the group of deodorant active substances,     antiperspirant aluminum salts, and mixtures thereof, -   b) 2.0 to 95 wt %, with respect to the total weight of the     propellant-containing cosmetic agent, of at least one propellant,     and -   c) at least two preservative agents, selected from the group of     sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid,     phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate,     formic acid, quaternary ammonium compounds, o-cymen-5-ol,     hexamidine, and salts of hexamidine.

According to the invention, the term “deodorant active substance” is understood to mean an active substance that reduces and/or prevents the creation of body odor caused by the bacterial decomposition of sweat, particularly armpit sweat. However, the preservative agents specified under feature c) above and ethanol, which is possibly used as a constituent of the cosmetic carrier, do not fall thereunder.

In this document, the specification of wt % relates to the total weight of the propellant-free cosmetic agents, unless otherwise indicated.

The cosmetic agent includes the constituents a) to c) in a cosmetically acceptable carrier. Said carrier preferably includes at least one component, selected from water, a C₁-C₄ alcohol, a cosmetic oil that is liquid under normal conditions, and mixtures thereof. The cosmetic oils that are liquid under normal conditions are immiscible with water and are neither odorous substances nor ethereal oils. In the sense of the present invention, “normal conditions” are a temperature of 20° C. and a pressure of 1,013 hPa.

Suitable cosmetic carriers are, for example, aqueous or aqueous-alcoholic carriers. The term “aqueous or aqueous-alcoholic carriers” is understood to mean carriers that include more than 5.0 wt % of water or more than 5 wt % of water and at least one C₁-C₄ alcohol, with respect to the total weight of the propellant-free cosmetic agent. Aqueous carriers preferably include free water in a total amount of 10 to 96 wt %, preferably 15 to 80 wt %, preferably 30 to 70 wt %, particularly 40 to 60 wt %, with respect to the total weight of the propellant-free cosmetic agent. In aqueous-alcoholic carriers, ethanol is preferably contained in a total amount of 0.1 to 60 wt %, preferably 0.5 to 30 wt %, preferably 1.0 to 10 wt %, particularly 1.0 to 9.0 wt %, with respect to the total weight of the propellant-free cosmetic agent.

The previously mentioned aqueous and aqueous-alcoholic carriers can additionally include at least one (C₂-C₆) alkyl alcohol having 2 or 3 hydroxy groups, particularly 1,2-propylene glycol, 1,3-propylene glycol, glycerol, and 1,3-butylene glycol.

Furthermore, it is especially preferred in this context that liquid cosmetic oils are used as cosmetic carriers. These cosmetic oils can be selected from the group of (i) volatile non-silicone oils, particularly liquid paraffin oils and isoparaffin oils, such as isodecane, isoundecane, isododecane, isotridecane, isotetradecane, isopentadecane, isohexadecane, and isoeicosane; (ii) non-volatile non-silicone oils, particularly the esters of linear or branched saturated or unsaturated C₂₋₃₀ fatty alcohols with linear or branched saturated or unsaturated C₂₋₃₀ fatty acids, which can be hydroxylated, the C₈-C₂₂ fatty alcohol esters of monovalent or polyvalent C₂-C₇ hydroxycarboxylic acids, the triethyl citrates, the dicarboxylic acid esters of linear or branched C₂-C₁₀ alkanols, the products of the addition of ethylene oxide and/or propylene oxide to mono- or polyhydric C₃₋₂₂ alkanols, which can optionally be esterified, the symmetrical, unsymmetrical, or cyclic esters of carbonic acid with fatty alcohols, the esters of dimers of unsaturated C₁₂₋₂₂ fatty acids with monohydric, linear, branched, and cyclic C₂₋₁₈ alkanols or C₂₋₆ alkanols, the benzoic acid esters of linear or branched C₈₋₂₂ alkanols, such as benzoic acid C₁₂₋₁₅ alkyl esters and benzoic acid isostearyl ester and benzoic acid octyldodecyl ester, the synthetic hydrocarbons, such as polyisobutylene and polydecenes, the alicyclic hydrocarbons; and (iii) mixtures thereof.

According to the invention, the term “volatile cosmetic oil” refers to cosmetic oils that have a vapor pressure of 2.66 Pa to 40,000 Pa (0.02 to 300 mm Hg), preferably 10 to 12,000 Pa (0.1 to 90 mm Hg), more preferably 13 to 3,000 Pa (0.1 to 23 mm Hg), particularly 15 to 500 Pa (0.1 to 4 mm Hg), at 20° C. and an ambient pressure of 1,013 hPa. Furthermore, in the sense of the present invention, the term “non-volatile cosmetic oils” is understood to mean cosmetic oils that have a vapor pressure of less than 2.66 Pa (0.02 mm Hg) at 20° C. and an ambient pressure of 1,013 hPa.

Also preferred according to the invention is the use of mixtures of the aforementioned cosmetic oils, particularly of non-volatile and volatile cosmetic oils, because in this way parameters such as skin feel, visibility of the residue, and stability of the cosmetic agent according to the invention can be set and the agent thus can be better adapted to the needs of the consumers.

In the context of the present invention, it is preferred if the cosmetic oil that is liquid at 20° C. and 1,013 hPa is used in a total amount of 1.0 to 75 wt %, preferably 2.0 to 95 wt %, preferably 5.0 to 70 wt %, more preferably 10 to 60 wt %, particularly 15 to 50 wt %, with respect to the total weight of the propellant-free cosmetic agent.

Furthermore, preferred cosmetic carriers are O/W emulsions, W/O emulsions, and multiple emulsions, particularly W/O/W and O/W/O emulsions.

The cosmetic agent according to the invention includes at least one deodorant active substance and/or at least one antiperspirant aluminum salt as the first essential constituent a).

Preferred cosmetic agents include certain deodorant active substances. Therefore, in the context of the present invention, it is advantageous if the cosmetic agent includes at least one deodorant active substance, selected from the group of (i) silver salts; (ii) alkane diols having 5 to 12 carbon atoms, particularly 3-(2-ethylhexyloxy)-1,2-propanediol, 1,2-hexanediol, and 1,2-octanediol; (iii) triethyl citrates; (iv) active substances against exo-esterases, particularly against aryl sulfatase, lipase, beta-glucuronidase, and cystathionine β-lyase; (v) cationic phospholipids; (vi) odor absorbers, particularly silicates, such as montmorillonite, kaolinite, illite, beidellite, nontronite, saponite, hectorite, bentonite, smectite and talc, zeolites, zinc ricinoleate, cyclodextrins; (vii) deodorizing ion exchangers; (viii) microbe-inhibiting agents; (ix) prebiotic components; and (x) mixtures thereof.

Preferred silver salts and/or silver complexes are, for example, silver lactate, silver nitrate, silver acetate, silver sulfate, and silver citrate and combinations thereof with phyllosilicates and/or talc. Preferably, 1,2-pentanediol, 1,2-hexanediol, 1,2-octanediol, 1,2-decanediol, and mixtures thereof are used as an alkane diol having 5 to 12 carbon atoms. Especially preferred is a mixture of 1,2-hexanediol and 1,2-octanediol at a weight ratio of 5:1 to 1:5. It can also be preferred that a combination of at least one alkane diol with tropolone is used.

Silicates serve as odor absorbers which, at the same time, can also advantageously support the rheological properties of the cosmetic agents according to the invention. The silicates that are especially advantageous according to the invention include, above all, phyllosilicates, particularly montmorillonite, kaolinite, illite, beidellite, nontronite, saponite, hectorite, bentonite, smectite and talc. Other advantageous odor absorbers are, for example, zeolites, zinc ricinoleate, cyclodextrins, certain metal oxides, such as aluminum oxide, and chlorophyll.

Furthermore, the deodorant active substance can be selected from the group of terpene alcohols such as farnesol, chlorophyllin-copper complexes, α-monoalkylglycerol ether having a branched or linear saturated or unsaturated, possibly hydroxylated C₆-C₂₂ alkyl residue, especially preferably α-(2-ethylhexyl)glycerol ether, commercially available as Sensiva® SC 50 (from Schülke & Mayr), carboxylic acid esters, particularly carboxylic acid monoesters of mono-, di-, and trigylcerol (particularly glycerol monolaurate, diglycerol monocaprate, diglycerol monolaurate, triglycerol monolaurate, and triglycerol monomyristate), and plant extracts (for example, green tea and constituents of linden blossom oil).

Other preferred deodorant active substances are selected from prebiotic components, which, according to the invention, should be understood to mean components that inhibit only or at least predominantly the odor-forming microbes of the skin microbiota but not the desired microbes, i.e., the microbes that do not form odors.

Other preferred deodorant active substances are selected from the microbe-inhibiting perfume oils and the Deosafe perfume oils, which are available from the company Symrise, formerly Haarmann and Reimer.

The enzyme inhibitors include substances that inhibit the enzymes responsible for the decomposition of sweat, particularly arylsulfatase, β-glucuronidase, aminoacylase, the ester-cleaving lipases, and the lipoxigenase. Examples of such substances are trialkyl citric acid esters, particularly triethyl citrate, or zinc glycinate.

The deodorant active substances can be used individually and in mixtures. Especially preferred are α-(2-ethylhexyl)glycerol ether, diglycerol monocaprate, 2-methyl-4-phenylbutan-2-ol, mixtures of phenoxyethanol and α-(2-ethylhexyl)glycerol ether, and mixtures of aryl alcohols, particularly phenoxyethanol, with α-(2-ethylhexyl)glycerol ether and diglycerol monocaprate.

The at least one deodorant active substance is advantageously used in the cosmetic agents according to the invention in certain amount ranges. Therefore, preferred cosmetic agents of the present invention are characterized in that said cosmetic agents include—with respect to the total weight of the propellant-free cosmetic agents—0.0005 to 20 wt %, preferably 0.1 to 12 wt %, preferably 0.1 to 10 wt %, particularly 0.1 to 2.0 wt %, of at least one deodorant active substance. If a mixture of deodorant active substances is used, the previously stated amount specifications relate to the mixture of said active substances. The use of the previously stated amounts ensures sufficient deodorant performance. Furthermore, these amounts do not have a negative influence on the preservative effect of the mixture of at least two preservative agents.

In addition to or in combination with the at least one deodorant active substance, the cosmetic agents according to the invention can additionally include at least one antiperspirant aluminum salt. Therefore, in the context of the present invention, it is preferred if the cosmetic agent includes at least one antiperspirant aluminum salt, selected from the group of (i) water-soluble astringent inorganic salts of aluminum, particularly aluminum chlorohydrate, aluminum sesquichlorohydrate, aluminum dichlorohydrate, aluminum hydroxide, potassium aluminum sulfate, aluminum bromohydrate, aluminum chloride, aluminum sulfate; (ii) water-soluble astringent organic salts of aluminum, particularly aluminum chlorohydrex propylene glycol, aluminum chlorohydrex polyethylene glycol, aluminum propylene glycol complexes, aluminum sesquichlorohydrex propylene glycol, aluminum sesquichlorohydrex polyethylene glycol, aluminum dichlorohydrex propylene glycol, aluminum dichlorohydrex polyethylene glycol, aluminum undecylenoyl collagen amino acid, sodium aluminum lactate, sodium aluminum chlorohydroxy lactate, aluminum lipoamino acids, aluminum lactate, aluminum chlorohydroxy allantoinate, sodium aluminum chlorohydroxy lactate; and (iii) mixtures thereof.

Especially preferred inorganic aluminum salts are selected from aluminum chlorohydrate, particularly aluminum chlorohydrate having the general formula [Al₂(OH)₅Cl.1-6 H₂O]_(n), preferably [Al₂(OH)₅Cl.2-3 H₂O]_(n), which can be present in unactivated (polymerized) or activated (depolymerized) form, and aluminum chlorohydrate having the general formula [Al₂(OH)₄Cl₂.1-6 H₂O]_(n), preferably [Al₂(OH)₄Cl₂.2-3 H₂O]_(n), which can be present in unactivated (polymerized) or activated (depolymerized) form.

Antiperspirant aluminum salts especially preferred according to the invention are selected from “activated” aluminum salts, which are also called antiperspirant active substances “having enhanced activity.” Such active substances are known in the prior art and are also commercially available. Activated aluminum salts are generally produced by thermally treating a diluted solution of the corresponding salt (e.g., a solution having 10 wt % of salt) in order to increase the HPLC peak-4-to-peak-3 area ratio of said salt. The activated salt can then be dried, particularly spray-dried, into a powder. Besides spray drying, drum drying is also suitable, for example. Activated aluminum salts typically have an HPLC peak-4-to-peak-3 area ratio of at least 0.4, preferably at least 0.7, particularly at least 0.9, wherein at least 70% of the aluminum can be associated with these HPLC peaks.

According to the invention, it is also possible to use antiperspirant aluminum salts as non-aqueous solutions or solubilizates of an activated antiperspirant aluminum salt, for example according to document U.S. Pat. No. 6,010,688 A. Such aluminum salts are stabilized against the loss of the activation of the salt by the addition of an effective amount of a polyhydric alcohol that has 3 to 6 carbon atoms and 3 to 6 hydroxyl groups, preferably propylene glycol, sorbitol, and pentaerythritol.

Also especially preferred are complexes of activated antiperspirant aluminum salts with a polyhydric alcohol that include 20 to 50 wt %, preferably 20 to 42 wt %, of activated antiperspirant aluminum salt and 2 to 16 wt % of molecularly bound water, wherein the remainder consists of 100 wt % of at least one polyhydric alcohol having 3 to 6 carbon atoms and 3 to 6 hydroxyl groups. Propylene glycol, propylene glycol/sorbitol mixtures, and propylene glycol/pentaerythritol mixtures are preferred such alcohols.

In the context of the present invention, it is also possible to use basic calcium-aluminum salts, which are disclosed, for example, in document U.S. Pat. No. 2,571,030, as antiperspirant aluminum salts. Said salts can be obtained by reacting calcium carbonate with aluminum chlorohydroxide or aluminum chloride and aluminum powder or by adding calcium chloride dihydrate to aluminum chlorohydroxide. However, it is also possible to use aluminum-zirconium complexes that are buffered with salts of amino acids, particularly with alkali and alkaline-earth glycinates.

Also usable as antiperspirant activated aluminum salts preferred according to the invention are the aluminum salts which are preferably stabilized by means of amino acids, particularly glycine, hydroxyalkanoic acids, particularly glycolic acid and lactic acid, or betaines.

Other preferred activated aluminum salts are those of the general formula Al₂(OH)_(6-a)Xa, wherein X represents Cl, Br, I, or NO₃ and “a” represents a number from 0.3 to 5, preferably 0.8 to 2.5, particularly 1 to 2, and therefore the molar ratio of Al:X is 0.9:1 to 2.1:1. Such activated antiperspirant aluminum salts are disclosed, for example, in document U.S. Pat. No. 6,074,632 A. Especially preferred is aluminum chlorohydrate (i.e., X represents Cl in the formula stated above) and specifically 5/6 basic aluminum chlorohydrate with “a”=1, the molar ratio of aluminum to chlorine thus being 1.9:1 to 2.1:1.

Antiperspirant aluminum salts especially preferred according to the invention have a molar metal-to-chloride ratio of 1.9 to 2.1. The metal-to-chloride ratio of aluminum sesquichlorohydrates likewise especially preferred in the context of the invention is 1.5:1 to 1.8:1.

The at least one antiperspirant aluminum salt is advantageously used in the cosmetic agents according to the invention in certain amount ranges. Therefore, preferred cosmetic agents of the present invention are characterized in that said cosmetic agents include—with respect to the total weight of the propellant-free cosmetic agents—0.1 to 35 wt %, preferably 0.5 to 25 wt %, preferably 1 to 15 wt %, more preferably 1.5 to 10 wt %, particularly 2.0 to 8.0 wt %, of at least one antiperspirant aluminum salt. If a mixture of antiperspirant aluminum salts is used, the previously stated amount specifications relate to the mixture of said salts. The use of the previously stated amounts ensures sufficient deodorant and antiperspirant performance. By means of the previously stated specific preservative-agent combination, excellent preservative performance can be ensured even if the previously stated amounts of the antiperspirant aluminum salt are used.

The cosmetic agents according to the invention include at least one propellant as the second essential constituent b). Therefore, cosmetic agents according to the invention are formulated as a spray application. The spray application occurs by means of a spraying device, which includes a filling of the antiperspirant cosmetic agent according to the invention in a container, which cosmetic agent is liquid, viscously flowable, in suspension form, or powdery. Said spraying device is under the pressure of a propellant (compressed-gas cans, compressed-gas dispensers, aerosol dispensers). The containers have a removal device, preferably in the form of valves, which make it possible to remove the contents as a mist, fume, foam, powder, paste, or liquid jet. Above all, cylindrical vessels composed of metal (aluminum, tinplate, volume capacity preferably at most 1,000 ml), protected or non-splintering glass or plastic (volume capacity preferably at most 220 ml), or splintering glass or plastic (volume capacity preferably 50 to 400 ml) are considered as containers for the spraying devices. The packaging for the agents according to the invention can be opaque, transparent, or translucent.

Propellants (propellant gases) suitable in the context of the invention are, for example, propane, propene, n-butane, isobutane, isobutylene, n-pentane, pentene, isopentane, isopentene, methane, ethane, dimethyl ether, nitrogen, air, oxygen, nitrous oxide, 1,1,1,3-tetrafluoroethane, heptafluoro-n-propane, perfluoroethane, monochlorodifluoromethane, 1,1-difluoroethane, tetrafluoropropene, individually and in mixtures thereof. Hydrophilic propellant gases, such as carbon dioxide, can also be advantageously used according to the present invention if the proportion of hydrophilic gases is low and lipophilic propellant gas (e.g., propane/butane) is present in excess. Therefore, preferred cosmetic agents according to the invention are characterized in that said cosmetic agents include at least one propellant, selected from the group of propane, propene, n-butane, isobutane, isobutylene, n-pentane, pentene, isopentane, isopentene, methane, ethane, dimethyl ether, nitrogen, air, oxygen, nitrous oxide, 1,1,1,3-tetrafluoroethane, heptafluoro-n-propane, perfluoroethane, monochlorodifluoromethane, 1,1-difluoroethane, tetrafluoropropene, carbon dioxide, and mixtures thereof.

According to the invention, the at least one propellant is preferably used in certain total amounts. Therefore, preferred cosmetic agents of the present invention are characterized in that said cosmetic agents include—with respect to the total weight of the propellant-containing cosmetic agent—2.0 to 90 wt %, preferably 30 to 85 wt %, preferably 35 to 80 wt %, particularly 40 to 75 wt %, of at least one propellant. If a mixture of propellants is used, the previously stated amount specifications relate to the mixture of said propellants. The use of the previously stated amounts guarantees sufficient sprayability and ensures complete emptying of the aerosol can. Because of the even application of the cosmetic agent by using the previously stated propellants and propellant amounts, excellent deodorant and/or antiperspirant performance is ensured.

The cosmetic agents according to the invention include at least two preservative agents, selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine, as the third essential constituent c). These compounds have the following chemical names and CAS numbers:

CAS Preservative agent Chemical name number Hexetidine 1,3-Bis(2-ethylhexyl)hexahydro- 141-94-6 5-methyl-5-pyrimidiamine Benzyl alcohol Benzyl alcohol 100-51-6 Undecylenic acid Undec-10-enoic acid 112-38-9 Phenoxyisopropanol 1-Phenoxypropan-2-ol 770-35-4 Piroctone olamine 1-Hydroxy-4-methyl-6- 68890-66-4 (2,4,4-trimethylpentyl)-2-pyridone Ethyl lauroyl Ethyl-N-alpha-dodecanoyl-L-arginate 60372-77-2 arginate HCl hydrochloride o-Cymen-5-ol 4-Isopropyl-m-cresol 3228-02-2 Hexamidine 4,4′-[1,6-hexanediylbis(oxy)] 3811-75-4 bis[benzenecarboxamidine] Hexamidine 2-Hydroxyethanesulfonic acid, compd. 659-40-5 diisethionate with 4,4′-[hexane-1,6-diylbis(oxy)] bis[benzenecarboxamidine] (2:1) Hexamidine paraben p-Hydroxybenzoic acid, compd. with 93841-83-9 4,4′-[hexane-1,6-diylbis(oxy)]bis [benzenecarboxamidine] (2:1)

These preservative-agent mixtures have a synergistic effect with respect to the antimicrobial activity and therefore lead to especially effective preservation of the cosmetic agents according to the invention. Furthermore, because of the synergistic effect, the usage amount of said preservative-agent mixtures can be reduced so that low-irritation and low-sensitization cosmetic agents are obtained. In addition, the deodorant and/or antiperspirant performance is not negatively affected by the use of the preservative-agent mixture.

The preservative effect can be increased further if the cosmetic agents include more than two of the previously mentioned preservative agents. Therefore, preferred cosmetic agents are characterized in that said cosmetic agents include at least three preservative agents (c), selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine.

Other preferred cosmetic agents according to the invention are characterized in that said cosmetic agents include at least four preservative agents (c), selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine.

Furthermore, according to the invention, cosmetic agents that additionally include at least five preservative agents (c), selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine, are advantageous.

In addition, in the context of the present invention, cosmetic agents that include at least six preservative agents (c), selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine, are preferred.

Finally, preferred are cosmetic agents according to the invention that include a mixture of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine as a preservative agent (c).

The cosmetic agents according to the invention can include at least one quaternary ammonium compound as a preservative agent. In the context of the present invention, it has proven to be advantageous if certain quaternary ammonium compounds are used. Therefore, in the context of the present invention, it is preferred if the cosmetic agent includes at least one compound, selected from the group of behentrimonium chloride, cetrimonium bromide, cetrimonium chloride, laurtrimonium bromide, laurtrimonium chloride, steartrimonium bromide, steartrimonium chloride, benzethonium chloride, benzalkonium chloride, and mixtures thereof, as quaternary ammonium compounds. The previously mentioned compounds are C₁₂-C₂₂-alkyltrimethylammonium bromides and chlorides, wherein the particular name represents the length of the alkyl chain of the particular compound. Therefore, behentrimonium chloride is C₂₂-alkyltrimethylammonium chloride, cetrimonium chloride means C₁₆-alkyltrimethylammonium chloride, laurtrimonium bromide represents C₁₂-alkyltrimethylammonium bromide, and steartrimonium bromide means C₁₈-alkyltrimethylammonium bromide. The use of such quaternary ammonium compounds, in combination with at least one other claimed preservative agent, has proven especially advantageous with respect to the synergistic increase in the preservative-agent performance of this mixture.

The cosmetic agents according to the invention preferably include the preservative-agent mixture in certain amount ranges. Therefore, preferred cosmetic agents according to the invention are characterized in that said cosmetic agents include—with respect to the total weight of the propellant-free cosmetic agent—0.001 to 10 wt %, preferably 0.005 to 7.0 wt %, preferably 0.01 to 4.0 wt %, particularly 0.05 to 2.0 wt %, of at least two preservative agents (c). The previously indicated amounts relate to the mixture of the preservative agents used. The use of such amounts of the preservative-agent mixture leads to excellent preservation of the cosmetic agents according to the invention. Furthermore, because of the synergistic effect of the preservative-agent mixture, the usage amount of the preservative-agent mixture can be reduced without negatively affecting the preservative performance. Therefore, the cosmetic agents according to the invention are especially low-irritation and low-sensitization cosmetic agents.

Especially preferred embodiments AF1 to AF24 of the cosmetic agents according to the invention are indicated in the table below (all specifications in wt %, with respect to the propellant-free cosmetic agent). Here, KM represents a mixture of at least two of the previously mentioned preservative agents.

AF1 AF2 AF3 AF4 Deodorant active 0.0005-20    0.1-12  0.1-10  0.1-2.0 substance KM 0.001-10   0.005-7.0  0.01-4.0  0.05-2.0  Carrier ¹⁾ Ad 100 Ad 100 Ad 100 Ad 100 AF5 AF6 AF7 AF8 Antiperspirant 0.1-35  0.5-25   1-15 2.0-8.0 aluminum salt KM 0.001-10   0.005-7.0  0.01-4.0  0.05-2.0  Carrier ¹⁾ Ad 100 Ad 100 Ad 100 Ad 100 AF9 AF10 AF11 AF12 Deodorant active 0.0005-20    0.1-12  0.1-10  0.1-2.0 substance Antiperspirant 0.1-35  0.5-25   1-15 2.0-8.0 aluminum salt KM 0.001-10   0.005-7.0  0.01-4.0  0.05-2.0  Carrier ¹⁾ Ad 100 Ad 100 Ad 100 Ad 100 AF13 AF14 AF15 AF16 Deodorant active 0.0005-20    0.1-12  0.1-10  0.1-2.0 substance ²⁾ KM 0.001-10   0.005-7.0  0.01-4.0  0.05-2.0  Carrier ¹⁾ Ad 100 Ad 100 Ad 100 Ad 100 AF17 AF18 AF19 AF20 Antiperspirant 0.1-35  0.5-25   1-15 2.0-8.0 aluminum salt ³⁾ KM 0.001-10   0.005-7.0  0.01-4.0  0.05-2.0  Carrier ¹⁾ Ad 100 Ad 100 Ad 100 Ad 100 AF21 AF22 AF23 AF24 Deodorant active 0.0005-20    0.1-12  0.1-10  0.1-2.0 substance ²⁾ Antiperspirant 0.1-35  0.5-25   1-15 2.0-8.0 aluminum salt ³⁾ KM 0.001-10   0.005-7.0  0.01-4.0  0.05-2.0  Carrier ¹⁾ Ad 100 Ad 100 Ad 100 Ad 100 ¹⁾ aqueous, aqueous-alcoholic, or water-free carrier ²⁾ selected from mixture, comprising 1,2-hexanediol and 1,2-octanediol, ³⁾ aluminum chlorohydrate

The embodiments AF1 to AF24 are mixed with propellant (air, nitrous oxide, nitrogen, or CO₂) at a weight ratio of 20:80 or 15:85 or 40:60 or 10:90 or 5:95 or 90:10 or 98:2.

The preservative mixtures KM1 to KM1762 of the table below are used as the preservative mixture KM in each embodiment AF1 to AF24 above. Here, s represents sulfite, selected from the group of sodium sulfite, ammonium bisulfite, ammonium sulfite, potassium sulfite, potassium hydrogen sulfite, sodium bisulfite, sodium metabisulfite, and potassium metabisulfite and mixtures thereof; h represents hexetidine; b represents benzyl alcohol; u represents undecylenic acid; p represents phenoxyisopropanol; pi represents piroctone olamine; e represents ethyl lauroyl arginate HCl; a represents formic acid; bz represents benzethonium chloride; be represents behentrimonium chloride; cb represents cetrimonium bromide; cc represents cetrimonium chloride; lb represents laurtrimonium bromide; lc represents laurtrimonium chloride; sb represents steartrimonium bromide; sc represents steartrimonium chloride; aq represents a quaternary ammonium compound; oc represents o-cymen-5-ol; hx represents hexamidine; hd represents hexamidine diisethionate; hp represents hexamidine paraben. In the table, the specification h+b, for example, thus represents a mixture of hexetidine and benzyl alcohol. h+b+u accordingly represents the combination of hexetidine, benzyl alcohol, and undecylenic acid.

KM1 KM2 KM3 KM4 KM5 KM5 KM6 KM7 s + h h + b b + u u + p p + pi pi + e e + a a + bc KM8 KM9 KM10 KM11 KM12 KM13 KM14 KM15 s + b h + u b + p u + pi p + e pi + a e + bc a + cb KM16 KM17 KM18 KM19 KM20 KM21 KM22 KM23 s + u h + p b + pi u + e p + a pi + bc e + cb a + cc KM24 KM25 KM26 KM27 KM28 KM29 KM30 KM31 s + p h + pi b + e u + a p + bc pi + cb e + cc a + lb KM32 KM33 KM34 KM35 KM36 KM37 KM38 KM39 s + pi h + e b + a u + bc p + cb pi + cc e + lb a + lc KM40 KM41 KM42 KM43 KM44 KM45 KM46 KM47 s + e h + a b + bc u + cb p + cc pi + lb e + lc a + sb KM48 KM49 KM50 KM51 KM52 KM53 KM54 KM55 s + a h + bc b + cb u + cc p + lb pi + lc e + sb a + sc KM56 KM57 KM58 KM59 KM60 KM61 KM62 KM63 s + bc h + cb b + cc u + lb p + lc pi + sb e + sc a + bc KM64 KM65 KM66 KM67 KM68 KM69 KM70 KM71 s + cb h + cc b + lb u + lc p + sb pi + sc e + bc a + bz KM72 KM73 KM74 KM75 KM76 KM78 KM79 KM80 s + cc h + lb b + lc u + sb p + sc pi + bc e + bz s + lb KM81 KM82 KM83 KM84 KM85 KM86 KM87 KM88 h + lc b + sb u + sc p + bc pi + bz s + lc h + sb b + sc KM89 KM90 KM91 KM92 KM93 KM94 KM95 KM96 u + bc p + bz s + sb h + sc b + bc u + bz s + sc h + bc KM97 KM98 KM99 KM100 KM101 KM102 KM103 KM104 b + bz s + bc h + bz s + bz bc + cb cb + cc cc + lb lb + lc KM105 KM106 KM107 KM108 KM109 KM110 KM111 KM112 lc + sb sb + sc sc + bc bc + bz bc + cc cb + lb cc + lc lb + sb KM113 KM114 KM115 KM116 KM117 KM118 KM119 KM120 lc + sc sb + bc sc + bz bc + lb cb + lc cc + sb lb + sc lc + bc KM121 KM122 KM123 KM124 KM125 KM126 KM127 KM128 sb + bz bc + lc cb + sb cc + sc lb + bc lc + bz bc + sb cb + sc KM129 KM130 KM131 KM132 KM133 KM134 KM135 KM136 cc + bc lb + bz bc + sc cb + bc cc + bz bc + bc cb + bz bc + bz KM137 KM138 KM139 KM140 KM141 KM142 KM143 KM144 s + h + b s + b + u s + u + p s + p + pi s + pi + e s + e + a s + a + bc s + bc + cb KM145 KM146 KM147 KM148 KM149 KM150 KM151 KM152 s + h + u s + b + p s + u + pi s + p + e s + pi + a s + e + bc s + a + cb s + bc + cc KM153 KM154 KM155 KM156 KM157 KM158 KM159 KM160 s + h + p s + b + pi s + u + e s + p + a s + pi + bc s + e + cb s + a + cc s + bc + lb KM161 KM162 KM163 KM164 KM165 KM166 KM167 KM168 s + h + pi s + b + e s + u + a s + p + bc s + pi + cb s + e + cc s + a + lb s + bc + lc KM169 KM170 KM171 KM172 KM173 KM174 KM175 KM176 s + h + e s + b + a s + u + bc s + p + cb s + pi + cc s + e + lb s + a + lc s + bc + sb KM177 KM178 KM179 KM180 KM181 KM182 KM183 KM184 s + h + a s + b + bc s + u + cb s + p + cc s + pi + lb s + e + lc s + a + sb s + bc + sc KM185 KM186 KM187 KM188 KM189 KM190 KM191 KM192 s + h + bc s + b + cb s + u + cc s + p + lb s + pi + lc s + e + sb s + a + sc s + bc + bc KM193 KM194 KM195 KM196 KM197 KM198 KM199 KM200 s + h + cb s + b + cc s + u + lb s + p + lc s + pi + sb s + e + sc s + a + bc s + bc + bz KM201 KM202 KM203 KM204 KM205 KM206 KM207 KM208 s + h + cc s + b + lb s + u + lc s + p + sb s + pi + sc s + e + bc s + a + bz s + h + lb KM209 KM210 KM211 KM212 KM213 KM214 KM215 KM216 s + b + lc s + u + sb s + p + sc s + pi + bc s + e + bz s + h + lc s + b + sb s + u + sc KM217 KM218 KM219 KM220 KM221 KM222 KM223 KM224 s + p + bc s + pi + bz s + h + sb s + b + sc s + u + bc s + p + bz s + h + sc s + b + bc KM225 KM226 KM227 KM228 KM229 KM230 KM231 KM232 s + u + bz s + h + bc s + b + bz s + h + bz s + cb + cc s + cc + lb s + lb + lc s + lc + sb KM233 KM234 KM235 KM236 KM237 KM238 KM239 KM240 s + sb + sc s + sc + bc s + bc + bz s + cb + lb s + cc + lc s + lb + sb s + lc + sc s + sb + bc KM241 KM242 KM243 KM244 KM245 KM246 KM247 KM248 s + sc + bz s + cb + lc s + cc + sb s + lb + sc s + lc + bc s + sb + bz s + cb + sb s + cc + sc KM249 KM250 KM251 KM252 KM253 KM254 KM255 KM256 s + lb + bc s + lc + bz s + cb + sc s + cc + bc s + lb + bz s + cb + bc s + cc + bz s + cb + bz KM257 KM258 KM259 KM260 KM261 KM262 KM263 KM264 h + b + u h + u + p h + p + pi h + pi + e h + e + a h + a + bc h + bc + cb h + cb + cc KM265 KM266 KM267 KM268 KM269 KM270 KM271 KM272 h + b + p h + u + pi h + p + e h + pi + a h + e + bc h + a + cb h + bc + cc h + cb + lb KM273 KM274 KM275 KM276 KM277 KM278 KM279 KM280 h + b + pi h + u + e h + p + a h + pi + bc h + e + cb h + a + cc h + bc + lb h + cb + lc KM281 KM282 KM283 KM284 KM285 KM286 KM287 KM288 h + b + e h + u + a h + p + bc h + pi + cb h + e + cc h + a + lb h + bc + lc h + cb + sb KM289 KM290 KM291 KM292 KM293 KM294 KM295 KM296 h + b + a h + u + bc h + p + cb h + pi + cc h + e + lb h + a + lc h + bc + sb h + cb + sc KM297 KM298 KM299 KM300 KM301 KM302 KM303 KM304 h + b + bc h + u + cb h + p + cc h + pi + lb h + e + lc h + a + sb h + bc + sc h + cb + bc KM305 KM306 KM307 KM308 KM309 KM310 KM311 KM312 h + b + cb h + u + cc h + p + lb h + pi + lc h + e + sb h + a + sc h + bc + bc h + cb + bz KM313 KM314 KM315 KM316 KM317 KM318 KM319 KM320 h + b + cc h + u + lb h + p + lc h + pi + sb h + e + sc h + a + bc h + bc + bz h + b + lb KM321 KM322 KM323 KM324 KM325 KM326 KM327 KM328 h + u + lc h + p + sb h + pi + sc h + e + bc h + a + bz h + b + lc h + u + sb h + p + sc KM329 KM330 KM331 KM332 KM333 KM334 KM335 KM336 h + pi + bc h + e + bz h + b + sb h + u + sc h + p + bc h + pi + bz h + b + sc h + u + bc KM337 KM338 KM339 KM340 KM341 KM342 KM343 KM344 h + p + bz h + b + bc h + u + bz h + b + bz h + cc + lb h + lb + lc h + lc + sb h + sb + sc KM345 KM346 KM347 KM348 KM349 KM350 KM351 KM352 h + sc + bc h + bc + bz h + cc + lc h + lb + sb h + lc + sc h + sb + bc h + sc + bz h + cc + sb KM353 KM354 KM355 KM356 KM357 KM358 KM359 KM360 h + lb + sc h + lc + bc h + sb + bz h + cc + sc h + lb + bc h + lc + bz h + cc + bc h + lb + bz KM361 KM362 KM363 KM364 KM365 KM366 KM367 KM368 h + cc + bz b + u + p b + p + pi b + pi + e b + e + a b + a + bc b + bc + cb b + cb + cc KM369 KM370 KM371 KM372 KM373 KM374 KM375 KM376 b + cc + lb b + u + pi b + p + e b + pi + a b + e + bc b + a + cb b + bc + cc b + cb + lb KM377 KM378 KM379 KM380 KM381 KM382 KM383 KM384 b + cc + lc b + u + e b + p + a b + pi + bc b + e + cb b + a + cc b + bc + lb b + cb + lc KM385 KM386 KM387 KM388 KM389 KM390 KM391 KM392 b + cc + sb b + u + a b + p + bc b + pi + cb b + e + cc b + a + lb b + bc + lc b + cb + sb KM393 KM394 KM395 KM396 KM397 KM398 KM399 KM400 b + cc + sc b + u + bc b + p + cb b + pi + cc b + e + lb b + a + lc b + bc + sb b + cb + sc KM401 KM402 KM403 KM404 KM405 KM406 KM407 KM408 b + cc + bc b + u + cb b + p + cc b + pi + lb b + e + lc b + a + sb b + bc + sc b + cb + bc KM409 KM410 KM411 KM412 KM413 KM414 KM415 KM416 b + cc + bz b + u + cc b + p + lb b + pi + lc b + e + sb b + a + sc b + bc + bc b + cb + bz KM417 KM418 KM419 KM420 KM421 KM422 KM423 KM424 b + u + lb b + p + lc b + pi + sb b + e + sc b + a + bc b + bc + bz b + u + lc b + p + sb KM425 KM426 KM427 KM428 KM429 KM430 KM431 KM432 b + pi + sc b + e + bc b + a + bz b + u + sb b + p + sc b + pi + bc b + e + bz b + u + sc KM433 KM434 KM435 KM436 KM437 KM438 KM439 KM440 b + p + bc b + pi + bz b + u + bc b + p + bz b + u + bz b + lb + lc b + lc + sb b + sb + sc KM441 KM442 KM443 KM444 KM445 KM446 KM447 KM448 b + sc + bc b + bc + bz b + lb + sb b + lc + sc b + sb + bc b + sc + bz b + lb + sc b + lc + bc KM449 KM450 KM451 KM452 KM453 KM454 KM455 KM456 b + sb + bz b + lb + bc b + lc + bz b + lb + bz u + p + pi u + pi + e u + e + a u + a + bc KM457 KM458 KM459 KM460 KM461 KM462 KM463 KM464 u + bc + cb u + cb + cc u + cc + lb u + lb + lc u + p + e u + pi + a u + e + bc u + a + cb KM465 KM466 KM467 KM468 KM469 KM470 KM471 KM472 u + bc + cc u + cb + lb u + cc + lc u + lb + sb u + p + a u + pi + bc u + e + cb u + a + cc KM473 KM474 KM475 KM476 KM477 KM478 KM479 KM480 u + bc + lb u + cb + lc u + cc + sb u + lb + sc u + p + bc u + pi + cb u + e + cc u + a + lb KM481 KM482 KM483 KM484 KM485 KM486 KM487 KM488 u + bc + lc u + cb + sb u + cc + sc u + lb + bc u + p + cb u + pi + cc u + e + lb u + a + lc KM489 KM490 KM491 KM492 KM493 KM494 KM495 KM496 u + bc + sb u + cb + sc u + cc + bc u + lb + bz u + p + cc u + pi + lb u + e + lc u + a + sb KM497 KM498 KM499 KM500 KM501 KM502 KM503 KM504 u + bc + sc u + cb + bc u + cc + bz u + p + lb u + pi + lc u + e + sb u + a + sc u + bc + bc KM505 KM506 KM507 KM508 KM509 KM510 KM511 KM512 u + cb + bz u + p + lc u + pi + sb u + e + sc u + a + bc u + bc + bz u + p + sb u + pi + sc KM513 KM514 KM515 KM516 KM517 KM518 KM519 KM520 u + e + bc u + a + bz u + p + sc u + pi + bc u + e + bz u + p + bc u + pi + bz u + p + bz KM521 KM522 KM523 KM524 KM525 KM526 KM527 KM528 p + pi + e p + e + a p + a + bc p + bc + cb p + cb + cc p + cc + lb p + lb + lc p + lc + sb KM529 KM530 KM531 KM532 KM533 KM534 KM535 KM536 p + pi + a p + e + bc p + a + cb p + bc + cc p + cb + lb p + cc + lc p + lb + sb p + lc + sc KM537 KM538 KM539 KM540 KM541 KM542 KM543 KM544 p + pi + bc p + e + cb p + a + cc p + bc + lb p + cb + lc p + cc + sb p + lb + sc p + lc + bc KM545 KM546 KM547 KM548 KM549 KM550 KM551 KM552 p + pi + cb p + e + cc p + a + lb p + bc + lc p + cb + sb p + cc + sc p + lb + bc p + lc + bz KM553 KM554 KM555 KM556 KM557 KM558 KM559 KM560 p + pi + cc p + e + lb p + a + lc p + bc + sb p + cb + sc p + cc + bc p + lb + bz p + pi + lb KM561 KM562 KM563 KM564 KM565 KM566 KM567 KM568 p + e + lc p + a + sb p + bc + sc p + cb + bc p + cc + bz p + pi + lc p + e + sb p + a + sc KM569 KM570 KM571 KM572 KM573 KM574 KM575 KM576 p + bc + bc p + pi + bc p + e + bz p + e + sc p + a + bc p + bc + bz p + pi + sc p + e + bc KM577 KM578 KM579 KM580 KM581 KM582 KM583 KM584 p + a + bz p + pi + bz u + lc + sb u + sb + sc u + sc + bc u + bc + bz u + lc + sc u + sb + bc KM585 KM586 KM587 KM588 KM589 KM590 KM591 KM592 u + sc + bz u + lc + bc u + sb + bz u + lc + bz p + sb + sc p + sc + bc p + bc + bz p + sb + bc KM593 KM594 KM595 KM596 KM597 KM598 KM599 KM600 p + sc + bz p + sb + bz pi + e + a pi + a + bc pi + bc + cb pi + cb + cc pi + cc + lb pi + lb + lc KM601 KM602 KM603 KM604 KM605 KM606 KM607 KM608 pi + lc + sb pi + sb + sc pi + e + bc pi + a + cb pi + bc + cc pi + cb+ lb pi + cc + lc pi + lb + sb KM609 KM610 KM611 KM612 KM613 KM614 KM615 KM616 pi + lc + sc pi + sb + bc pi + e + cb pi + a + cc pi + bc + lb pi + cb + lc pi + cc + sb pi + lb + sc KM625 KM626 KM627 KM628 KM629 KM630 KM631 KM632 pi + lc + bc pi + sb + bz pi + e + cc pi + a + lb pi + bc + lc pi + cb + sb pi + cc + sc pi + lb + bc KM633 KM634 KM635 KM636 KM637 KM638 KM639 KM640 pi + lc + bz pi + e + lb pi + a + lc pi + bc + sb pi + cb + sc pi + cc + bc pi + lb + bz pi + e + lc KM641 KM642 KM643 KM644 KM645 KM646 KM647 KM648 pi + a + sb pi + bc + sc pi + cb + bc pi + cc + bz pi + e + sb pi + a + sc pi + bc + bc pi + cb + bz KM649 KM650 KM651 KM652 KM653 KM654 KM655 KM656 pi + e + sc pi + a + bc pi + bc + bz pi + e + bc pi + a + bz pi + e + bz pi + sc + bc pi + bc + bz KM657 KM658 KM659 KM660 KM661 KM662 KM663 KM664 pi + sc + bz e + a + bc e + bc + cb e + cb + cc e + cc + lb e + lb + lc e + lc + sb e + sb + sc KM665 KM666 KM667 KM668 KM669 KM670 KM671 KM672 e + sc + bc e + a + cb e + bc + cc e + cb + lb e + cc + lc e + lb + sb e + lc + sc e + sb + bc KM673 KM674 KM675 KM676 KM677 KM678 KM679 KM680 e + sc + bz e + a + cc e + bc + lb e + cb + lc e + cc + sb e + lb + sc e + lc + bc e + sb + bz KM681 KM682 KM683 KM684 KM685 KM686 KM687 KM688 e + a + lb e + bc + lc e + cb + sb e + cc + sc e + lb + bc e + lc + bz e + a + lc e + bc + sb KM689 KM690 KM691 KM692 KM693 KM694 KM695 KM696 e + cb + sc e + cc + bc e + lb + bz e + a + sb e + bc + sc e + cb + bc e + cc + bz e + a + sc KM697 KM698 KM699 KM700 KM701 KM702 KM703 KM704 e + bc + bc e + cb + bz e + a + bc e + bc + bz e + a + bz e + bc + bz a + bc + cb a + cb + cc KM705 KM706 KM707 KM708 KM709 KM710 KM711 KM712 a + cc + lb a + lb + lc a + lc + sb a + sb + sc a + sc + bc a + bc + bz a + bc + cc a + cb + lb KM713 KM714 KM715 KM716 KM717 KM718 KM719 KM720 a + cc + lc a + lb + sb a + lc + sc a + sb + bc a + sc + bz a + bc + lb a + cb + lc a + cc + sb KM721 KM722 KM723 KM724 KM725 KM726 KM727 KM728 a + lb + sc a + lc + bc a + sb + bz a + bc + lc a + cb + sb a + cc + sc a + lb + bc a + lc + bz KM729 KM730 KM731 KM732 KM733 KM734 KM735 KM736 a + bc + sb a + cb + sc a + cc + bc a + lb + bz a + bc + sc a + cb + bc a + cc + bz a + bc + bc KM737 KM738 KM739 KM740 KM741 KM742 KM743 KM744 a + cb + bz a + bc + bz bc + cb + bc + cc + lb bc + lb + lc bc + lc + sb bc + sb + bc + sc + bc cc sc KM745 KM746 KM747 KM748 KM749 KM750 KM751 KM752 bc + bc + bc + cb + lb bc + cc + lc bc + lb + sb bc + lc + sc bc + sb + bc + sc + bc + cb + lc bz bc bz KM753 KM754 KM755 KM756 KM757 KM758 KM759 KM760 bc + cc + sb bc + lb + sc bc + lc + bc bc + sb + bc + cb + bc + cc + sc bc + lb + bc bc + lc + bz bz sb KM761 KM762 KM763 KM764 KM765 KM766 KM767 KM768 bc + cb + sc bc + cc + bc + lb + bz bc + cb + bc + cc + bz bc + cb + cb + cc + lb cb + lb + lc bc bc bz KM769 KM770 KM771 KM772 KM773 KM774 KM775 KM776 cb + lc + sb cb + sb + cb + sc + cb + bc + cb + cc + lc cb + lb + sb cb + lc + sc cb + sb + sc bc bz bc KM777 KM778 KM779 KM780 KM781 KM782 KM783 KM784 cb + sc + bz cb + cc + cb + lb + sc cb + lc + bc cb + sb + cb + cc + sc cb + lb + bc cb + lc + bz sb 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KM1283 KM1284 KM1285 KM1286 KM1287 KM1288 cb + cc + cb + lb + cb + lc + hx cb + sb + hx cb + sc + hx cb + aq + hx cc + lb + hx cc + lc + hx hx hx KM1289 KM1290 KM1291 KM1292 KM1293 KM1294 KM1295 KM1296 cc + sb + cc + sc + cc + aq + hx lb + lc + hx lb + sb + hx lb + sc + hx lb + aq + hx lc + sb + hx hx hx KM1297 KM1298 KM1299 KM1300 KM1301 KM1302 KM1303 KM1304 lc + sc + lc + aq + sb + sc + hx s + h + b + hx s + b + u + hx s + u + p + hx s + p + pi + s + pi + e + hx hx hx hx KM1305 KM1306 KM1307 KM1308 KM1309 KM1310 KM1311 KM1312 s + e + a + hx s + a + aq + s + h + a + s + h + u + s + h + hx + s + h + pi + s + h + p + s + b + p + hx hx hx hx hx hx hx KM1313 KM1314 KM1315 KM1316 KM1317 KM1318 KM1319 KM1320 s + b + u + s + h + b + s + b + a + s + u + a + s + b + e + s + u + e + s + u + pi + s + u + p + hx hx hx hx hx hx hx hx KM1321 KM1322 KM1323 KM1324 KM1325 KM1326 KM1327 KM1328 s + p + a + hx s + pi + a + s + e + a + s + p + e + s + pi + e + s + p + pi + h + b + a + h + b + e + hx hx hx 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KM1381 KM1382 KM1383 KM1384 s + u + hd s + p + hd s + pi + hd s + e + hd s + a + hd s + bz + hd s + bc + hd s + bc + hd KM1385 KM1386 KM1387 KM1388 KM1389 KM1390 KM1391 KM1392 s + cb + hd s + cc + hd s + lb + hd s + lc + hd s + sb + hd s + sc + hd s + aq + hd h + b + hd KM1393 KM1394 KM1395 KM1396 KM1397 KM1398 KM1399 KM1400 h + u + hd h + p + hd h + pi + hd h + e + hd h + a + hd h + bz + hd h + bc + hd h + bc + hd KM1401 KM1402 KM1403 KM1404 KM1405 KM1406 KM1407 KM1408 h + cb + h + cc + hd h + lb + hd h + lc + hd h + sb + hd h + sc + hd h + aq + hd u + p + hd hd KM1409 KM1410 KM1411 KM1412 KM1413 KM1414 KM1415 KM1416 u + pi + hd u + e + hd u + a + hd u + bz + hd u + bc + hd u + bc + hd u + cb + hd u + cc + hd KM1417 KM1418 KM1419 KM1420 KM1421 KM1422 KM1423 KM1424 u + lb + hd u + lc + hd u + sb + hd u + sc + hd u + aq + hd p + pi + hd p + e + hd p + a + hd KM1425 KM1426 KM1427 KM1428 KM1429 KM1430 KM1431 KM1432 p + bz + hd p + bc + hd p + cb + hd p + cc + hd p + lb + hd p + lc + hd p + sb + hd p + sc + hd KM1433 KM1434 KM1435 KM1436 KM1437 KM1438 KM1439 KM1440 pi + e + hd pi + a + hd pi + bz + hd pi + bc + hd pi + bc + hd pi + cb + hd pi + cc + hd pi + lb + hd KM1441 KM1442 KM1443 KM1444 KM1445 KM1446 KM1447 KM1448 pi + lc + hd pi + sb + pi + sc + hd pi + aq + hd e + a + hd e + bz + hd e + bc + hd e + cb + hd hd KM1449 KM1450 KM1451 KM1452 KM1453 KM1454 KM1455 KM1456 e + cc + hd e + lb + hd e + lc + hd e + sb + hd e + sc + hd e + aq + hd a + bz + hd a + bc + hd KM1457 KM1458 KM1459 KM1460 KM1461 KM1462 KM1463 KM1464 a + bc + a + cb + a + cc + hd a + lb + hd a + lc + hd a + sb + hd a + sc + hd p + aq + hd hd hd KM1465 KM1466 KM1467 KM1468 KM1469 KM1470 KM1471 KM1472 a + aq + bz + bc + bz + cb + hd bz + cc + hd bz + lb + hd bz + lc + hd bz + sb + hd bz + sc + hd hd hd KM1473 KM1474 KM1475 KM1476 KM1477 KM1478 KM1479 KM1480 bz + aq + hd bc + cb + bc + cc + hd bc + lb + hd bc + lc + hd bc + sb + hd bc + sc + hd bc + aq + hd hd KM1481 KM1482 KM1483 KM1484 KM1485 KM1486 KM1487 KM1488 cb + cc + cb + lb + cb + lc + hd cb + sb + hd cb + sc + hd cb + aq + hd cc + lb + hd cc + lc + hd hd hd KM1489 KM1490 KM1491 KM1492 KM1493 KM1494 KM1495 KM1496 cc + sb + cc + sc + cc + aq + hd lb + lc + hd lb + sb + hd lb + sc + hd lb + aq + hd lc + sb + hd hd hd KM1497 KM1498 KM1499 KM1500 KM1501 KM1502 KM1503 KM1504 lc + sc + lc + aq + sb + sc + hd s + h + b + hd s + b + u + hd s + u + p + hd s + p + pi + s + pi + e + hd hd hd hd KM1505 KM1506 KM1507 KM1508 KM1509 KM1510 KM1511 KM1512 s + e + a + hd s + a + aq + s + h + a + s + h + u + s + h + hd + s + h + pi + s + h + p + s + b + p + hd hd hd hd hd hd hd KM1513 KM1514 KM1515 KM1516 KM1517 KM1518 KM1519 KM1520 s + b + u + s + h + b + s + b + a + s + u + a + s + b + e + s + u + e + s + u + pi + s + u + p + hd hd hd hd hd hd hd hd KM1521 KM1522 KM1523 KM1524 KM1525 KM1526 KM1527 KM1528 s + p + a + hd s + pi + a + s + e + a + s + p + e + s + pi + e + s + p + pi + h + b + a + h + b + e + hd hd hd hd hd hd hd KM1529 KM1530 KM1531 KM1532 KM1533 KM1534 KM1535 KM1536 h + u + e + h + b + pi + h + u + pi + h + b + p + h + u + p + h + b + u + h + u + a + h + p + a + hd hd hd hd hd hd hd hd KM1537 KM1538 KM1539 KM1540 KM1541 KM1542 KM1543 KM1544 h + pi + e + h + e + a + hd h + p + e + h + pi + e + h + p + pi + b + u + a + b + p + a + b + pi + e + hd hd hd hd hd hd hd KM1545 KM1546 KM1547 KM1548 KM1549 KM1550 KM1551 KM1552 b + u + pi + b + p + pi + b + u + p + u + p + a + u + pi + a + u + e + a + u + p + e + u + pi + e + hd hd hd hd hd hd hd hd KM1553 KM1554 KM1555 KM1556 KM1557 KM1558 KM1559 KM1560 u + p + pi + p + pi + a + p + pi + e + pi + e + a + e + a + aq + sb + aq + hd sc + aq + aq + oc + hd hd hd hd hd hd hd KM1561 KM1562 KM1563 KM1564 KM1565 KM1566 KM1567 KM1568 u + hp p + hp pi + hp e + hp a + hp bz + hp bc + hp cb + hp KM1569 KM1570 KM1571 KM1572 KM1573 KM1574 KM1575 KM1576 cc + hp lb + hp lc + hp sb + hp sc + hp aq + hp s + h + hp s + b + hp KM1577 KM1578 KM1579 KM1580 KM1581 KM1582 KM1583 KM1584 s + u + hp s + p + hp s + pi + hp s + e + hp s + a + hp s + bz + hp s + bc + hp s + bc + hp KM1585 KM1586 KM1587 KM1588 KM1589 KM1590 KM1591 KM1592 s + cb + hp s + cc + hp s + lb + hp s + lc + hp s + sb + hp s + sc + hp s + aq + hp h + b + hp KM1593 KM1594 KM1595 KM1596 KM1597 KM1598 KM1599 KM1600 h + u + hp h + p + hp h + pi + hp h + e + hp h + a + hp h + bz + hp h + bc + hp h + bc + hp KM1601 KM1602 KM1603 KM1604 KM1605 KM1606 KM1607 KM1608 h + cb + h + cc + hp h + lb + hp h + lc + hp h + sb + hp h + sc + hp h + aq + hp u + p + hp hp KM1609 KM1610 KM1611 KM1612 KM1613 KM1614 KM1615 KM1616 u + pi + hp u + e + hp u + a + hp u + bz + hp u + bc + hp u + bc + hp u + cb + hp u + cc + hp KM1617 KM1618 KM1619 KM1620 KM1621 KM1622 KM1623 KM1624 u + lb + hp u + lc + hp u + sb + hp u + sc + hp u + aq + hp p + pi + hp p + e + hp p + a + hp KM1625 KM1626 KM1627 KM1628 KM1629 KM1630 KM1631 KM1632 p + bz + p + bc + hp p + cb + hp p + cc + hp p + lb + hp p + lc + hp p + sb + hp p + sc + hp hp KM1633 KM1634 KM1635 KM1636 KM1637 KM1638 KM1639 KM1640 pi + e + hp pi + a + hp pi + bz + hp pi + bc + hp pi + bc + hp pi + cb + hp pi + cc + hp pi + lb + hp KM1641 KM1642 KM1643 KM1644 KM1645 KM1646 KM1647 KM1648 pi + lc + hp pi + sb + pi + sc + hp pi + aq + hp e + a + hp e + bz + hp e + bc + hp e + cb + hp hp KM1649 KM1650 KM1651 KM1652 KM1653 KM1654 KM1655 KM1656 e + cc + hp e + lb + hp e + lc + hp e + sb + hp e + sc + hp e + aq + hp a + bz + hp a + bc + hp KM1657 KM1658 KM1659 KM1660 KM1661 KM1662 KM1663 KM1664 a + bc + a + cb + a + cc + hp a + lb + hp a + lc + hp a + sb + hp a + sc + hp p + aq + hp hp hp KM1665 KM1666 KM1667 KM1668 KM1669 KM1670 KM1671 KM1672 a + aq + bz + bc + bz + cb + hp bz + cc + hp bz + lb + hp bz + lc + hp bz + sb + hp bz + sc + hp hp hp KM1673 KM1674 KM1675 KM1676 KM1677 KM1678 KM1679 KM1680 bz + aq + hp bc + cb + bc + cc + hp bc + lb + hp bc + lc + hp bc + sb + hp bc + sc + hp bc + aq + hp hp KM1681 KM1682 KM1683 KM1684 KM1685 KM1686 KM1687 KM1688 cb + cc + cb + lb + cb + lc + hp cb + sb + hp cb + sc + hp cb + aq + hp cc + lb + hp cc + lc + hp hp hp KM1689 KM1690 KM1691 KM1692 KM1693 KM1694 KM1695 KM1696 cc + sb + cc + sc + cc + aq + hp lb + lc + hp lb + sb + hp lb + sc + hp lb + aq + hp lc + sb + hp hp hp KM1697 KM1698 KM1699 KM1700 KM1701 KM1702 KM1703 KM1704 lc + sc + lc + aq + sb + sc + hp s + h + b + hp s + b + u + hp s + u + p + hp s + p + pi + s + pi + e + hp hp hp hp KM1705 KM1706 KM1707 KM1708 KM1709 KM1710 KM1711 KM1712 s + e + a + hp s + a + aq + s + h + a + s + h + u + s + h + hp + s + h + pi + s + h + p + s + b + p + hp hp hp hp hp hp hp KM1713 KM1714 KM1715 KM1716 KM1717 KM1718 KM1719 KM1720 s + b + u + s + h + b + s + b + a + s + u + a + s + b + e + s + u + e + s + u + pi + s + u + p + hp hp hp hp hp hp hp hp KM1721 KM1722 KM1723 KM1724 KM1725 KM1726 KM1727 KM1728 s + p + a + hp s + pi + a + s + e + a + s + p + e + s + pi + e + s + p + pi + h + b + a + h + b + e + hp hp hp hp hp hp hp KM1729 KM1730 KM1731 KM1732 KM1733 KM1734 KM1735 KM1736 h + u + e + h + b + pi + h + u + pi + h + b + p + h + u + p + h + b + u + h + u + a + h + p + a + hp hp hp hp hp hp hp hp KM1737 KM1738 KM1739 KM1740 KM1741 KM1742 KM1743 KM1744 h + pi + e + h + e + a + hp h + p + e + h + pi + e + h + p + pi + b + u + a + b + p + a + b + pi + e + hp hp hp hp hp hp hp KM1745 KM1746 KM1747 KM1748 KM1749 KM1750 KM1751 KM1752 b + u + pi + b + p + pi + b + u + p + u + p + a + u + pi + a + u + e + a + u + p + e + u + pi + e + hp hp hp hp hp hp hp hp KM1753 KM1754 KM1755 KM1756 KM1757 KM1758 KM1759 KM1760 u + p + pi + p + pi + a + p + pi + e + pi + e + a + e + a + aq + sb + aq + hp sc + aq + aq + oc + hp hp hp hp hp hp hp KM1761 KM1762 h + hp b + hp

The previously indicated embodiments of the cosmetic compositions have good deodorant and/or antiperspirant performance and excellent preservation. Because of the synergistic effect of the preservative agents used, the amount thereof can be reduced without negatively affecting the preservative effect. Therefore, the cosmetic agents according to the invention are especially low-irritation and low-sensitization cosmetic agents.

The cosmetic agents according to the invention can also include further auxiliary substances. The antiperspirant cosmetic agents according to the invention preferably include at least one further auxiliary substance, which is selected from the group of (i) emulsifiers and/or surfactants; (ii) hydrogel-forming agents; (iii) chelating agents; (iv) waxes; (v) odorous substances; (vi) skin-cooling active substances; (viii) thickeners; and (ix) mixtures thereof.

Emulsifiers and surfactants that are preferably suitable according to the invention are selected from anionic, cationic, non-ionic, amphoteric, particularly ampholytic and zwitterionic emulsifiers and surfactants. Surfactants are amphiphilic (bifunctional) compounds that consist of at least one hydrophobic molecule part and at least one hydrophilic molecule part. The hydrophobic residue is preferably a hydrocarbon chain having 8 to 28 carbon atoms, which hydrocarbon chain can be saturated or unsaturated, linear or branched. This C₈-C₂₈-alkyl chain is especially preferably linear.

The term “anionic surfactants” is understood to mean surfactants having only anionic charges; they contain, for example, carboxyl groups, sulfonic acid groups, or sulfate groups. Especially preferred anionic surfactants are alkyl sulfates, alkyl ether sulfates, acyl glutamates, and C₈₋₂₄ carboxylic acids and salts thereof, the soaps.

The term “cationic surfactants” is understood to mean surfactants having only cationic charges; they contain, for example, quaternary ammonium groups. Cationic surfactants of the type of the quaternary ammonium compounds, the esterquats, and the amidoamines are preferred. Preferred quaternary ammonium compounds are ammonium halides and the imidazolium compounds known under the INCI names Quaternium-27 and Quaternium-83. Other cationic surfactants that can be used according to the invention are the quaternized protein hydrolysates. Preferred esterquats are quaternized ester salts of fatty acids with triethanolamine, quaternized ester salts of fatty acids with diethanolalkylamines, and quaternized ester salts of fatty acids with 1,2-dihydroxypropyldialkylamines.

The amphoteric surfactants are divided into ampholytic surfactants and zwitterionic surfactants. The term “ampholytic surfactants” is understood to mean surface-active compounds that have both acidic (for example, —COOH or —SO₃H groups) and basic hydrophilic groups (for example, amino groups) and thus behave acidically or basically depending on the condition. A person skilled in the art understands the term “zwitterionic surfactants” to mean surfactants that bear both a negative charge and a positive charge in the same molecule. Examples of preferred zwitterionic surfactants are the betaines, the N-alkyl-N,N-dimethylammonium glycinates, the N-acyl-aminopropyl-N,N-dimethylammonium glycinates, and the 2-alkyl-3-carboxymethyl-3-hydroxyethyl-imidazolines each having 8 to 24 carbon atoms in the alkyl group. Examples of preferred ampholytic surfactants are N-alkylglycines, N-alkylaminopropionic acids, N-alkylaminobutyric acids, N-alkyliminodipropionic acids, N-hydroxyethyl-N-alkylamidopropylglycines, N-alkyltaurines, N-alkylsarcosines, 2-alkylaminopropionic acids, and alkylaminoacetic acids each having 8 to 24 carbon atoms in the alkyl group.

The compositions according to the invention that are formulated as an emulsion, particularly as an oil-in-water emulsion, preferably include at least one non-ionic oil-in-water emulsifier having an HLB of more than 7 to 20. These are emulsifiers well known to a person skilled in the art, which are listed, for example, in Kirk-Othmer, “Encyclopedia of Chemical Technology”, 3rd edition, 1979, volume 8, pages 913-916. For ethoxylated products, the HLB is calculated according to the formula HLB=(100−L):5, wherein L is the proportion by weight of the lipophilic groups, i.e., the fatty alkyl or fatty acyl groups, in the ethylene oxide adducts, expressed in weight percent. In this context, it can be preferred according to the invention if, furthermore, a water-in-oil emulsifier having an HLB of greater than 1.0 and less than or equal to 7.0 is used. Non-ionic oil-in-water emulsifiers and non-ionic water-in-oil emulsifiers that are suitable in the context of the present invention are described, for example, in German laid-open application DE 102006004957 A1. Especially well-suited non-ionic surfactants are, for example, silicone copolyols having ethylene oxide units or having ethylene oxide units and propylene oxide units, which likewise are disclosed in laid-open application DE 102006004957 A1.

To thicken the antiperspirant cosmetic agents according to the invention, preferably hydrogel-forming substances are used, which are selected from cellulose ethers, especially hydroxyalkyl celluloses, particularly hydroxypropyl cellulose, hydroxypropyl methylcellulose, hydroxyethyl cellulose, carboxymethyl cellulose, cetyl hydroxyethylcellulose, hydroxybutyl methylcellulose, methylhydroxyethyl cellulose; and xanthan gum, sclerotium gum, succinoglucans, polygalactomannans, particularly guar gums and locust bean gum, particularly guar gum and locust bean gum themselves and the non-ionic hydroxyalkyl guar derivatives and locust bean gum derivatives, such as hydroxypropyl guar, carboxymethyl hydroxypropyl guar, hydroxypropyl methyl guar, hydroxyethyl guar, and carboxymethyl guar; and pectins, agar, carrageenan, tragacanth, gum arabic, gum karaya, tara gum, gellan gum, gelatin, casein, propylene glycol alginate, alginic acids and salts thereof, particularly sodium alginate, potassium alginate, and calcium alginate; and polyvinylpyrrolidones, polyvinyl alcohols, polacrylamides; and—even if less preferably—starches that are physically modified (e.g., by means of pre-gelatinization) and/or chemically modified, particularly hydroxypropylated starch phosphates and octenyl starch succinates and aluminum, calcium, or sodium salts thereof; and—likewise less preferably—acrylic acid/acrylate copolymers, acrylic acid/acrylamide copolymers, acrylic acid/vinylpyrrolidone copolymers, acrylic acid/vinylformamide copolymers, and polyacrylates. Especially preferred hydrogel-forming agents are selected from cellulose ethers, especially from hydroxyalkyl celluloses, particularly from hydroxypropyl cellulose, hydroxypropyl methylcellulose, hydroxyethyl cellulose, carboxymethyl cellulose, cetyl hydroxyethylcellulose, hydroxybutyl methylcellulose, and methylhydroxyethyl cellulose, and mixtures thereof. Hydroxyethyl cellulose is preferably used as a hydrogel-forming agent.

Furthermore, the cosmetic agents can include at least one chelating agent, which is preferably selected from ethylenediamine tetraacetic acid (EDTA) and salts thereof and from nitrilotriacetic acid (NTA) and mixtures of these substances, in a total amount of 0.01 to 0.5 wt %, preferably 0.02 to 0.3 wt %, particularly 0.05 to 0.1 wt %, with respect to the total weight of the propellant-free cosmetic agent.

In addition, the cosmetic agents according to the invention can include an odorous substance. In the sense of the present invention, the term “odorous substances” is understood to mean substances having a molar mass of 74 to 300 g/mol that include at least one osmophore in the molecule and have an odor and/or flavor, i.e., they are capable of exciting the receptors of the hair cells of the olfactory system. Osmophores are groups covalently bonded to the molecular skeleton, in the form of hydroxy groups, formyl groups, oxo groups, alkoxycarbonyl groups, nitrile groups, nitro groups, azide groups, etc. In this context, perfume oils, perfumes, or perfume oil constituents that are liquid at 20° C. and 1,013 hPa also fall under the term “odorous substances” in the sense of the present invention. The odorous substance is preferably selected from the group of

(i) esters, particularly benzyl acetate, phenoxyethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethyl benzyl carbinyl acetate (DMBCA), phenethyl acetate, benzyl acetate, ethyl methyl phenyl glycinate, allyl cyclohexyl propionate, styrallyl propionate, benzyl salicylate, cyclohexyl salicylate, Floramat, Melusat, and Jasmecyclat; (ii) ethers, particularly benzyl ethyl ether and Ambroxan; (iii) aldehydes, particularly linear alkanals having 8 to 18 carbon atoms, citral, citronellal, citronellyloxy acetaldehyde, cyclamen aldehyde, Lilial, and bourgeonal; (iv) ketones, particularly ionones, alpha-isomethyl ionone, and methyl cedryl ketone; (v) alcohols, particularly anethole, citronellol, eugenol, geraniol, linalool, phenethyl alcohol, and terpineol; (vi) hydrocarbons, particularly terpenes such as limonene and pinene; and (vii) mixtures thereof. Mixtures of different odorous substances which jointly produce a pleasant fragrance are preferably used.

Especially pleasant-smelling cosmetic agents according to the invention are obtained if the odorous substance is contained in a total amount of 0.00001 to 10 wt %, preferably 0.001 to 9 wt %, preferably 0.01 to 8 wt %, more preferably 0.5 to 7 wt %, particularly 1 to 6 wt %, with respect to the total weight of the propellant-free cosmetic agent.

In addition, the cosmetic agents according to the invention can include at least one wax. In the context of the present invention, the term “waxes” should be understood to mean substances that are kneadable or solid to brittle and hard at 20° C., have a coarse to finely crystalline structure, and are colorfully translucent to opaque, but not vitreous. Furthermore, these substances melt above 25° C. without decomposition, flow readily (have low viscosity) slightly above the melting point, have a highly temperature-dependent consistency and solubility, and can be polished under light pressure. The wax can preferably be selected from the group of

(i) coconut fatty acid glycerol mono-, di-, and triesters;

(ii) Butyrospermum Parkii (Shea Butter);

(iii) esters of saturated, monohydric C₈₋₁₈ alcohols with saturated C₁₂₋₁₈ monocarboxylic acids; (iv) linear, primary C₁₂-C₂₄ alkanols; (v) esters of a saturated, monohydric C₁₆-C₆₀ alkanol and a saturated C₈-C₃₆ monocarboxylic acid, particularly cetyl behenate, stearyl behenate, and C₂₀-C₄₀ alkyl stearate; (vi) glycerol triesters of saturated linear C₁₂-C₃₀ carboxylic acids, which can be hydroxylated, particularly hydrogenated palm oil, hydrogenated coconut oil, hydrogenated castor oil, glyceryl tribehenate, and glyceryl tri(12-hydroxystearate); (vii) natural plant waxes, particularly candelilla wax, carnauba wax, Japan wax, sugarcane wax, ouricury wax, cork wax, sunflower wax, fruit waxes; (viii) animal waxes, particularly beeswax, shellac wax, and spermaceti; (ix) synthetic waxes, particularly montan ester waxes, hydrogenated jojoba waxes and Sasol waxes, polyalkylene waxes and polyethylene glycol waxes, C₂₀-C₄₀ dialkyl esters of dimer acids, C₃₀₋₅₀ alkyl beeswax, and alkyl and alkyl aryl esters of dimer fatty acids, paraffin waxes; and (x) mixtures thereof

Especially preferred are commercial products having the INCI name Cocoglycerides, particularly the commercial products Novata® (from BASF), especially preferably Novata® AB, a mixture of C₁₂₋₁₈ mono-, di-, and triglycerides that melts in the range of 30 to 32° C., and the products of the Softisan series (Sasol Germany GmbH) having the INCI name Hydrogenated Cocoglycerides, particularly Softisan 100, 133, 134, 138, 142. Other preferred esters of saturated, monohydric C₁₂₋₁₈ alcohols with saturated C₁₂₋₁₈ monocarboxylic acids are stearyl laurate, cetearyl stearate (e.g., Crodamol® CSS), cetyl palmitate (e.g., Cutina® CP), and myristyl myristate (e.g., Cetiol® MM). Furthermore, a C₂₀-C₄₀ alkyl stearate is preferably used as a wax component. This ester is known under the names Kester Wax® K82H and Kester Wax® K80H and is sold by Koster Keunen Inc.

In the context of the present invention, it is preferred if the wax is contained in a total amount of 0.01 to 20 wt %, preferably 3 to 20 wt %, preferably 5 to 18 wt %, particularly 6 to 15 wt %, with respect to the total weight of the propellant-free cosmetic agent.

According to another embodiment of the present invention, the antiperspirant cosmetic agents also include at least one skin-cooling active substance. Skin-cooling active substances that are suitable according to the invention are, for example, menthol, isopulegol, and menthol derivatives, e.g., menthyl lactate, menthyl glycolate, menthyl ethyl oxamate, menthyl pyrrolidone carboxylic acid, menthyl methyl ether, menthoxypropanediol, menthone glycerin acetal (9-methyl-6-(1-methylethyl)-1,4-dioxaspiro[4.5]decane-2-methanol), monomenthyl succinate, 2-hydroxymethyl-3,5,5-trimethylcyclohexanol, and 5-methyl-2-(1-methylethyl)cyclohexyl-N-ethyloxamate. Menthol, isopulegol, menthyl lactate, menthoxypropanediol, menthyl pyrrolidone carboxylic acid, and 5-methyl-2-(1-methylethyl)cyclohexyl-N-ethyloxamate and mixtures of these substances, particularly mixtures of menthol and menthyl lactate, menthol, menthol glycolate, and menthyl lactate, menthol and menthoxypropanediol, or menthol and isopulegol, are preferred as skin-cooling active substances.

Furthermore, according to the invention, lipophilic thickeners can be used as auxiliary substances. The at least one antiperspirant aluminum salt is preferably suspended undissolved in at least one cosmetic oil that is liquid at 20° C. and 1,013 hPa. To improve usability, at least one lipophilic thickener can be added to this suspension as a suspension aid. Lipophilic thickeners preferred according to the invention are selected from hydrophobed clay minerals and pyrogenic silicic acids.

In addition, all other components known to a person skilled in the art for such cosmetic compositions can, in principle, be used the cosmetic agents according to the invention. Further active substances, auxiliary substances, and additives are, for example:

-   -   structurants such as maleic acid and lactic acid,     -   fiber-structure-improving active substances, particularly mono-,         di-, and oligosaccharides, such as glucose, galactose, fructose,         fruit sugar, and lactose,     -   dyes for dyeing the agent,     -   substances for setting the pH value, such as α- and         β-hydroxycarboxylic acids,     -   active substances such as allantoin and bisabolol,     -   ceramides. The term “ceramides” is understood to mean         N-acylsphingosine (fatty acid amides of sphingosine) or         synthetic analogs of such lipids (pseudo-ceramides),     -   pigments,     -   viscosity regulators such as salts (NaCl),     -   cationic, non-ionic, and amphoteric polymers,     -   vitamins, particularly from the groups A, B, C, E, F, and H,     -   protein hydrolysates and cationized protein hydrolysates,     -   humectants or penetration enhancers and/or swelling agents,         particularly urea and urea derivatives, guanidine and         derivatives thereof, arginine and derivatives thereof, water         glass, imidazole and derivatives thereof, histidine and         derivatives thereof,     -   plant extracts, for example from green tea, white tea, oak bark,         nettles, witch hazel, hops, chamomile, burdock root, horsetail,         whitethorn, linden blossoms, lychee, almond, aloe vera, spruce         needle, Aesculus, sandalwood, juniper, coconut, mango, apricot,         lime, wheat, kiwi, melon, orange, grapefruit, sage, rosemary,         birch, mallow, meadowfoam, wild thyme, yarrow, garden thyme,         melissa, restharrow, coltsfoot, marshmallow, ginseng, ginger         root, Echinacea purpurea, Olea europea, Foeniculum vulgaris, and         Apim graveolens.

The previously mentioned further ingredients can be contained in a total amount of 0.001 to 50 wt %, preferably 0.01 to 40 wt %, preferably 0.1 to 30 wt %, particularly 0.5 to 20 wt %, with respect to the total weight of the propellant-free cosmetic agent.

The present invention also relates to a non-therapeutic cosmetic method for preventing and/or reducing the perspiration of the body and/or for preventing and/or reducing body odor, wherein a cosmetic agent according to the invention is applied to the skin, particularly to the skin of the armpits, and remains on the skin for at least 1 hour, preferably for at least 2 hours, preferably for at least 4 hours, particularly for at least 6 hours.

That which was said with regard to the cosmetic agents according to the invention applies, mutatis mutandis, to other preferred embodiments of the method according to the invention, particularly to the cosmetic agents used there.

Finally, the present invention also relates to the use of at least two preservatives, selected from the group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, and o-cymen-5-ol, to preserve propellant-containing deodorant and/or antiperspirant compositions.

The use of the previously mentioned preservative-agent combinations leads to excellent preservation of propellant-containing deodorant and/or antiperspirant compositions. Because of the synergistic effect of said combinations with respect to the preservative effect, the amount of preservative agents can be reduced so that low-irritation and low-sensitization deodorant and/or antiperspirant compositions result. Here, the term “propellant-containing deodorant and antiperspirant compositions” is understood to mean compositions that include at least one propellant and at least one deodorant active substance and/or at least one antiperspirant active substance.

That which was said with regard to the cosmetic agents according to the invention and the method according to the invention applies, mutatis mutandis, to other embodiments of the use according to the invention.

In summary, the present invention is characterized in particular by the following points:

-   1. A cosmetic agent containing, in a cosmetically acceptable     carrier,     -   a) 0.0005 to 35 wt %, with respect to the total weight of the         propellant-free cosmetic agent, of at least one active         substance, selected from the group of deodorant active         substances, antiperspirant aluminum salts, and mixtures thereof,     -   b) 2.0 to 95 wt %, with respect to the total weight of the         propellant-containing cosmetic agent, of at least one         propellant, and     -   c) at least two preservative agents, selected from the group of         sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid,         phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate,         formic acid, quaternary ammonium compounds, o-cymen-5-ol,         hexamidine, and salts of hexamidine. -   2. The cosmetic agent according to point 1, characterized in that     said cosmetic agent includes at least one deodorant active     substance, selected from the group of (i) silver salts; (ii) alkane     diols having 5 to 12 carbon atoms, particularly     3-(2-ethylhexyloxy)-1,2-propanediol, 1,2-hexanediol, and     1,2-octanediol; (iii) triethyl citrates; (iv) active substances     against exo-esterases, particularly against aryl sulfatase, lipase,     beta-glucuronidase, and cystathionine β-lyase; (v) cationic     phospholipids; (vi) odor absorbers, particularly silicates, such as     montmorillonite, kaolinite, illite, beidellite, nontronite,     saponite, hectorite, bentonite, smectite and talc, zeolites, zinc     ricinoleate, cyclodextrins; (vii) deodorizing ion exchangers; (viii)     microbe-inhibiting agents; (ix) prebiotic components; and (x)     mixtures thereof -   3. The cosmetic agent according to one of points 1 and 2,     characterized in that said cosmetic agent includes—with respect to     the total weight of the propellant-free cosmetic agent—0.0005 to 20     wt %, preferably 0.1 to 12 wt %, preferably 0.1 to 10 wt %,     particularly 0.1 to 2.0 wt %, of at least one deodorant active     substance. 4. The cosmetic agent according to one of the preceding     points, characterized in that said cosmetic agent includes at least     one antiperspirant aluminum salt, selected from the group of (i)     water-soluble astringent inorganic salts of aluminum, particularly     aluminum chlorohydrate, aluminum sesquichlorohydrate, aluminum     dichlorohydrate, aluminum hydroxide, potassium aluminum sulfate,     aluminum bromohydrate, aluminum chloride, aluminum sulfate; (ii)     water-soluble astringent organic salts of aluminum, particularly     aluminum chlorohydrex propylene glycol, aluminum chlorohydrex     polyethylene glycol, aluminum propylene glycol complexes, aluminum     sesquichlorohydrex propylene glycol, aluminum sesquichlorohydrex     polyethylene glycol, aluminum dichlorohydrex propylene glycol,     aluminum dichlorohydrex polyethylene glycol, aluminum undecylenoyl     collagen amino acid, sodium aluminum lactate, sodium aluminum     chlorohydroxy lactate, aluminum lipoamino acids, aluminum lactate,     aluminum chlorohydroxy allantoinate, sodium aluminum chlorohydroxy     lactate; and (iii) mixtures thereof. -   5. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes—with respect to     the total weight of the propellant-free cosmetic agent—0.1 to 35 wt     %, preferably 0.5 to 25 wt %, preferably 1 to 15 wt %, more     preferably 1.5 to 10 wt %, particularly 2.0 to 8.0 wt %, of at least     one antiperspirant aluminum salt. -   6. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes at least one     propellant, selected from the group of propane, propene, n-butane,     isobutane, isobutylene, n-pentane, pentene, isopentane, isopentene,     methane, ethane, dimethyl ether, nitrogen, air, oxygen, nitrous     oxide, 1,1,1,3-tetrafluoroethane, heptafluoro-n-propane,     perfluoroethane, monochlorodifluoromethane, 1,1-difluoroethane,     tetrafluoropropene, carbon dioxide, and mixtures thereof -   7. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes—with respect to     the total weight of the propellant-free cosmetic agent—2.0 to 90 wt     %, preferably 30 to 85 wt %, preferably 35 to 80 wt %, particularly     40 to 75 wt %, of at least one propellant. -   8. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes at least three     preservative agents (c), selected from the group of sulfite(s),     hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol,     piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary     ammonium compounds, o-cymen-5-ol, hexamidine, and salts of     hexamidine. -   9. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes at least four     preservative agents (c), selected from the group of sulfite(s),     hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol,     piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary     ammonium compounds, o-cymen-5-ol, hexamidine, and salts of     hexamidine. -   10. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes at least five     preservative agents (c), selected from the group of sulfite(s),     hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol,     piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary     ammonium compounds, o-cymen-5-ol, hexamidine, and salts of     hexamidine. -   11. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes at least six     preservative agents (c), selected from the group of sulfite(s),     hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol,     piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary     ammonium compounds, o-cymen-5-ol, hexamidine, and salts of     hexamidine. -   12. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes a mixture of     sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid,     phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate,     formic acid, quaternary ammonium compounds, o-cymen-5-ol,     hexamidine, and salts of hexamidine as a preservative agent (c). -   13. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes at least one     compound, selected from the group of behentrimonium chloride,     cetrimonium bromide, cetrimonium chloride, laurtrimonium bromide,     laurtrimonium chloride, steartrimonium bromide, steartrimonium     chloride, benzethonium chloride, benzalkonium chloride, and mixtures     thereof, as quaternary ammonium compounds. -   14. The cosmetic agent according to one of the preceding points,     characterized in that said cosmetic agent includes—with respect to     the total weight of the propellant-free cosmetic agent—0.001 to 10     wt %, preferably 0.005 to 7.0 wt %, preferably 0.01 to 4.0 wt %,     particularly 0.05 to 2.0 wt %, of at least two preservative agents     (c). -   15. A non-therapeutic cosmetic method for preventing and/or reducing     the perspiration of the body and/or for preventing and/or reducing     body odor, wherein a cosmetic agent according to one of points 1 to     14 is applied to the skin, particularly to the skin of the armpits,     and remains on the skin for at least 1 hour, preferably for at least     2 hours, preferably for at least 4 hours, particularly for at least     6 hours. -   16. The use of at least two preservative agents, selected from the     group of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic     acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate,     formic acid, quaternary ammonium compounds, o-cymen-5-ol,     hexamidine, and salts of hexamidine, to preserve     propellant-containing deodorant and/or antiperspirant compositions.

The following examples illustrate the present invention without restricting the present invention thereto:

Examples

Sprayable, translucent antiperspirant microemulsions (specifications in wt %, with respect to the microemulsion without propellant)

1.1 1.2 1.3 1.4 1.5 1.6 Plantaren ® 1200 1.7 1.7 — 1.7 1.7 — Plantaren ® 2000 1.15 1.4 2.40 1.15 1.4 2.4 Glycerol monooleate 0.7 0.7 — 0.7 0.7 — Dioctyl ether 4 4. 0.1 4 4 0.1 Octyldodecanol 1 1 0.02 1 1 0.02 Perfume oil 1 1 1 1 1 10 Aluminum chlorohydrate 8 5 5 10 9 13 1,2-Propylene glycol 5 5 — 5 5 5 Glycerol — — 5 — — — 2-Benzylheptan-1-ol 0.5 — — 0.5 0.5 — Triethyl citrate — 0.5 0.5 0.2 — — Triclosan — — — — — 0.5 Zinc lactate — 0.2 — — — — Sodium sulfite 0.2 — — — — 0.2 Hexetidine 0.1 0.1 0.1 — — 0.1 Benzyl alcohol — 1.0 — — — 1.0 Undecylenic acid — — 0.2 — — 0.2 Phenoxyisopropanol — — — — — 1.0 Piroctone olamine — — — — — 1.0 Ethyl lauroyl arginate HCl — — — — — 0.4 Formic acid — — — — — 0.5 o-Cymen-5-ol — — — — — 0.1 Behentrimonium chloride — — — — — 0.1 Cetrimonium bromide — — — — — 0.1 Cetrimonium chloride — — — — — 0.1 Laurtrimonium bromide — — — — — 0.1 Laurtrimonium chloride — — — — — 0.1 Steartrimonium bromide — — — — — 0.1 Steartrimonium chloride — — — — — 0.1 Benzethonium chloride — — — — — 0.1 Benzalkonium chloride — — — — — 0.1 Hexamidine — — — — — 0.1 Hexamidine diisethionate — — — — — 0.1 Hexamidine paraben — — — — — 0.1 KM¹⁾ — — — 0.1 2.0 — Water Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 ¹⁾Preservative-agent mixture, selected from at least one of the previously mentioned preservative-agent mixtures KM1 to KM1762

Microemulsions 1.1 to 1.6 are applied from a pressure vessel (aerosol) by means of a suitable spraying system. Air, nitrous oxide, nitrogen, CO₂, and other compressible gases are used as propellants.

Antiperspirant emulsion (O/W) (specifications in wt %, with respect to the O/W emulsion without propellant)

2.1 2.2 2.3 2.4 Aluminum Zirconium 23.7 — 23.7 — Tetrachlorohydrex Gly Locron L — 30.0 — 30.0 Steareth-2 2.4 2.2 2.4 2.2 Steareth-21 1.6 1.4 1.6 1.4 Perfume 1.2 1.0 1.2 1.0 PPG-15 Stearyl Ether 0.5 1.5 0.5 1.5 Aluminum Starch 0.1 — 0.1 — Octenylsuccinate Sodium sulfite — — — 0.2 Hexetidine 0.1 0.1 — 0.1 Benzyl alcohol — — — 1.0 Undecylenic acid — — — 0.2 Phenoxyisopropanol 1.0 — — 1.0 Piroctone olamine — 1.0 — 1.0 Ethyl lauroyl arginate HCl — — — 0.4 Formic acid — — — 0.5 o-Cymen-5-ol — — — 0.1 Behentrimonium chloride — — — 0.1 Cetrimonium bromide — — — 0.1 Cetrimonium chloride — — — 0.1 Laurtrimonium bromide — — — 0.1 Laurtrimonium chloride — — — 0.1 Steartrimonium bromide — — — 0.1 Steartrimonium chloride — — — 0.1 Benzethonium chloride — — — 0.1 Benzalkonium chloride — — — 0.1 Hexamidine — — — 0.1 Hexamidine diisethionate — — — 0.1 Hexamidine paraben — — — 0.1 KM¹⁾ — — 4.0 — Aqua Ad 100.0 Ad 100.0 Ad 100.0 Ad 100.0 ¹⁾Preservative-agent mixture, selected from at least one of the previously mentioned preservative-agent mixtures KM1 to KM1762

Emulsions 2.1 to 2.5 are applied from a pressure vessel (aerosol) by means of a suitable spraying system. Air, nitrous oxide, nitrogen, CO₂, and other compressible gases are used as propellants.

Deodorant (specifications in wt %, with respect to the deodorant without propellant)

3.1 3.2 3.3 3.4 96% ethanol (cosmetic; denatured) 55.0 55.0 55.0 55.0 Triethyl citrate 3.0 3.0 3.0 3.0 Cremophor ® RH 455 0.5 0.5 0.5 0.5 Eucarol ® AGE-EC-UP 1.0 1.0 1.0 1.0 Cocamidopropyl PG-Dimonium 0.4 0.4 0.4 0.4 Chloride Phosphate Perfume oil 1.0 1.0 1.0 1.0 Sodium sulfite — — — 0.2 Hexetidine 0.1 — — 0.1 Benzyl alcohol — — — 1.0 Undecylenic acid — 0.2 — 0.2 Phenoxyisopropanol — — — 1.0 Piroctone olamine — — — 1.0 Ethyl lauroyl arginate HCl 0.4 — — 0.4 Formic acid — 0.5 — 0.5 o-Cymen-5-ol — — — 0.1 Behentrimonium chloride — — — 0.1 Cetrimonium bromide — — — 0.1 Cetrimonium chloride — — — 0.1 Laurtrimonium bromide — — — 0.1 Laurtrimonium chloride — — — 0.1 Steartrimonium bromide — — — 0.1 Steartrimonium chloride — — — 0.1 Benzethonium chloride — — — 0.1 Benzalkonium chloride — — — 0.1 Hexamidine — — — 0.1 Hexamidine diisethionate — — — 0.1 Hexamidine paraben — — — 0.1 KM¹⁾ — — 0.2 — Water Ad Ad Ad Ad 100.0 100.0 100.0 100.0 ¹⁾Preservative-agent mixture, selected from at least one of the previously mentioned preservative-agent mixtures KM1 to KM1762

Deodorant 3.1 to 3.5 is applied from a pressure vessel (aerosol) by means of a suitable spraying system. Air, nitrous oxide, nitrogen, CO₂, and other compressible gases are used as propellants.

Water-in-oil emulsions according to the invention (all amount specifications in wt %, with respect to the total weight of the water-in-oil emulsion without propellant)

4.1 4.2 4.3 4.4 4.5 Aluminum chlorohydrate 33 33 33 33 33 C₁₀-C₁₃ isoalkane 8.9 8.9 — 8.9 — Cyclopentasiloxane — — 8.9 — 8.9 PEG/PPG-18/18 1.4 1.4 1.4 1.4 1.4 Dimethicone Isoceteth-20 0.5 0.5 0.5 0.5 0.5 Dimethicone 4.2 4.2 4.2 4.2 4.2 Isopropyl myristate 9.0 9.0 9.0 9.0 9.0 1,2-Propanediol 7.0 25 25 7.0 25 Phenoxyethanol 0.5 0.5 0.5 0.5 0.5 Perfume 2.5 2.5 2.5 2.5 2.5 L-Menthol 0.4 — — 0.4 — Sodium sulfite 0.2 0.2 — — 0.2 Hexetidine — — — — 0.1 Benzyl alcohol 1.0 — 0.8 — 1.0 Undecylenic acid — 0.2 — — 0.2 Phenoxyisopropanol — — — — 1.0 Piroctone olamine — — 0.8 — 1.0 Ethyl lauroyl arginate — — — — 0.4 HCl Formic acid — — — — 0.5 o-Cymen-5-ol — — 0.1 — 0.1 Behentrimonium — — — — 0.1 chloride Cetrimonium bromide — — — — 0.1 Cetrimonium chloride — — — — 0.1 Laurtrimonium bromide — — — — 0.1 Laurtrimonium chloride — — — — 0.1 Steartrimonium bromide — — — — 0.1 Steartrimonium chloride — — — — 0.1 Benzethonium chloride — — — — 0.1 Benzalkonium chloride — — — — 0.1 Hexamidine — — 0.1 — 0.1 Hexamidine — — 0.1 — 0.1 diisethionate Hexamidine paraben — — 0.1 — 0.1 KM¹⁾ — — — 1.0 — Water Ad 100 Ad 100 Ad 100 Ad 100 Ad 100 ¹⁾Preservative-agent mixture, selected from at least one of the previously mentioned preservative-agent mixtures KM1 to KM1762

Emulsion 4.1 to 4.5 is applied from a pressure vessel (aerosol) by means of a suitable spraying system. 15, 20, 25, or 30% of the formulation is introduced, together with a suitable propellant gas such as a propane/butane/isobutane mixture (pressure: 1.6 to 3.8 bar), into the aerosol container (ad 100).

Emulsion according to the PIT method (all specifications in wt %, with respect to the propellant-free emulsion):

5.1 5.2 5.3 5.4 Emulgade ® SE-PF 5 35.6 5 35.6 Eumulgin ® B1 3 13 3 13 Cetiol ® SN 5 6 5 6 Cetiol ® CC 5 8 5 8 86% glycerol 0.1 0.2 0.1 0.2 Perfume 1 1 1 1 Sodium sulfite — — — 0.2 Hexetidine 0.1 — — 0.1 Benzyl alcohol — 0.8 — 1.0 Undecylenic acid — — — 0.2 Phenoxyisopropanol — — — 1.0 Piroctone olamine — — — 1.0 Ethyl lauroyl arginate HCl — 0.3 — 0.4 Formic acid — — — 0.5 o-Cymen-5-ol 0.1 — — 0.1 Behentrimonium chloride — — — 0.1 Cetrimonium bromide — — — 0.1 Cetrimonium chloride — 0.1 — 0.1 Laurtrimonium bromide — — — 0.1 Laurtrimonium chloride — — — 0.1 Steartrimonium bromide 0.1 — — 0.1 Steartrimonium chloride — — — 0.1 Benzethonium chloride — — — 0.1 Benzalkonium chloride — — — 0.1 Hexamidine 0.1 — — 0.1 Hexamidine diisethionate — 0.1 — 0.1 Hexamidine paraben — — — 0.1 KM¹⁾ — — 0.8 — Water Ad 100 Ad 100 Ad 100 Ad 100 ¹⁾ Preservative-agent mixture, selected from at least one of the previously mentioned preservative-agent mixtures KM1 to KM1762

Emulsion 5.1 to 5.5 is applied from a pressure vessel (aerosol) by means of a suitable spraying system. Air, nitrous oxide, nitrogen, CO₂, and other compressible gases are used as propellants.

The following commercial products were used:

Commercial Supplier/ product INCI manufacturer Cetiol ® SN CETEARYL ISONONANOATE BASF Cetiol ® CC DICAPRYLYL CARBONATE BASF Cremophor ® PEG-60 HYDROGENATED CASTOR BASF RH 455 OIL Eucarol ® SODIUM COCO-GLUCOSIDE Cesalpinia AGE-EC-UP TARTRATE Dow Corning Dimethicone, PEG/PPG-18/18 Dow ES-5227 DM Dimethicone in a weight ratio of 3:1 Corning Emulgade SE-PF GLYCERYL STEARATE, BASF CETEARETH-20, CETEARETH-12, CETEARYL ALCOHOL, CETYL PALMITATE Eumulgin ® B1 Ceteareth-12 BASF Finsolv TN C12-15 Alkyl Benzoate Innospec Locron L (AS = Aluminum Chlorohydrate Clariant 50%) Plantaren ® 1200 LAURYL GLUCOSIDE, approximately BASF 50% AS Plantaren ® 2000 DECYL GLUCOSIDE, approximately BASF 50% AS

While at least one exemplary embodiment has been presented in the foregoing detailed description of the invention, it should be appreciated that a vast number of variations exist. It should also be appreciated that the exemplary embodiment or exemplary embodiments are only examples, and are not intended to limit the scope, applicability, or configuration of the invention in any way. Rather, the foregoing detailed description will provide those skilled in the art with a convenient road map for implementing an exemplary embodiment of the invention, it being understood that various changes may be made in the function and arrangement of elements described in an exemplary embodiment without departing from the scope of the invention as set forth in the appended claims and their legal equivalents. 

What is claimed is:
 1. A cosmetic agent containing, in a cosmetically acceptable carrier, a) 0.0005 to 35 wt %, with respect to the total weight of the propellant-free cosmetic agent, of at least one active substance, selected from the group of deodorant active substances, antiperspirant aluminum salts, and mixtures thereof, b) 2.0 to 95 wt %, with respect to the total weight of the propellant-containing cosmetic agent, of at least one propellant, and c) at least two preservative agents, selected from the group consisting of: sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine.
 2. The cosmetic agent according to claim 1, wherein the at least one doodorant active substance comprises, with respect to the total weight of the propellant-free cosmetic agent, 0.0005 to 20 wt %.
 3. The cosmetic agent according to claim 1, wherein the at least one doodorant active substance comprises, with respect to the total weight of the propellant-free cosmetic agent, 0.1 to 12 wt %
 4. The cosmetic agent according to claim 1, wherein the at least one doodorant active substance comprises, with respect to the total weight of the propellant-free cosmetic agent, 0.1 to 10 wt %.
 5. The cosmetic agent according to claim 1, wherein the at least one doodorant active substance comprises, with respect to the total weight of the propellant-free cosmetic agent, 0.1 to 2.0 wt %.
 6. The cosmetic agent according to one claim 1, wherein the at least antiperspirant is at least one antiperspirant aluminum salt and comprises 0.1 to 35 wt % of the total weight of the propellant-free cosmetic agent.
 7. The cosmetic agent according to claim 1, wherein the cosmetic agent includes at least four preservative agents (c) selected from the group consisting of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine.
 8. The cosmetic agent according to claim 1, wherein the cosmetic agent includes at least least five preservative agents (c), selected from the group consisting of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine.
 9. The cosmetic agent according to claim 1, wherein the cosmetic agent includes a mixture of sulfite(s), hexetidine, benzyl alcohol(s), undecylenic acid, phenoxyisopropanol, piroctone olamine, ethyl lauroyl arginate, formic acid, quaternary ammonium compounds, o-cymen-5-ol, hexamidine, and salts of hexamidine as a preservative agent (c).
 10. The cosmetic agent according to claim 1, wherein at least two preservative agents (c) comprise 0.005 to 7.0 wt %, with respect to the total weight of the propellant-free cosmetic agent.
 11. The cosmetic agent according to claim 1, wherein at least two preservative agents (c) comprise 0.001 to 10 wt %, with respect to the total weight of the propellant-free cosmetic agent.
 12. The cosmetic agent according to claim 1, wherein at least two preservative agents (c) comprise 0.01 to 4.0 wt %, with respect to the total weight of the propellant-free cosmetic agent.
 13. The cosmetic agent according to claim 1, wherein at least two preservative agents (c) comprise 0.05 to 2.0 wt %, with respect to the total weight of the propellant-free cosmetic agent.
 14. A non-therapeutic cosmetic method for preventing and/or reducing the perspiration of the body and/or for preventing and/or reducing body odor, wherein a cosmetic agent according to claim 1 is applied to the skin, and is left the skin for at least 1 hour. 